Electrical Instruments
PHXII03:CURRENT ELECTRICITY

357328 In a potentiometer experiment, the balancing point with a cell is at a length 240 \(cm\). On shunting the cell with a resistance of \(2\Omega \) , the balancing length becomes 120 \(cm\). The internal resistance of the cell is

1 \(1\Omega \)
2 \(4\Omega \)
3 \(0.5\Omega \)
4 \(2\Omega \)
PHXII03:CURRENT ELECTRICITY

357329 In a potentiometer circuit a cell of \(EMF\) 1.5\(V\) gives balance point at 36 \(cm\) length of wire. If another cell of \(EMF\) 2.5 \(V\) replaces the first cell, then at what length of the wire, the balance point occurs?

1 \(21.6\,cm\)
2 \(64\,cm\)
3 \(62\,cm\)
4 \(60\,cm\)
PHXII03:CURRENT ELECTRICITY

357330 In a potentiometer experiment, when three cells \(A\), \(B\) and \(C\) are connected in series, the balancing length is found to be 740 \(cm\). If \(A\) and \(B\) are connected in series balancing length in 440 \(cm\) and for \(B\) and C connected in series that is 540 \(cm\). Then the emf of \({E_A},{E_B}\;and\;{E_C}\) are respectively (\(K\) is the potential gradient of the rod per unit length, \(K = 1V/Cm\))

1 200 \(V\), 240 \(V\) and 300 \(V\)
2 240 \(V\), 220 \(V\) and 300 \(V\)
3 250 \(V\), 240 \(V\) and 300 \(V\)
4 100 \(V\), 50 \(V\) and 75 \(V\)
PHXII03:CURRENT ELECTRICITY

357331 A \(2\;V\) battery, a \(15\, \Omega\) resistor and a potentiometer of \(100\;cm\) length, all are connected in series. If the resistance of potentiometer wire is \(5\, \Omega\), then the potential gradient of the potentiometer wire is

1 \(0.005\;V\;c{m^{ - 1}}\)
2 \(0.05\;V\;c{m^{ - 1}}\)
3 \(0.02\;V\;c{m^{ - 1}}\)
4 \(0.2\;V\;c{m^{ - 1}}\)
PHXII03:CURRENT ELECTRICITY

357332 \(AB\) is a wire of potentiometer with the increase in value of resistance \(R\), the shift in the balance point \(J\) will be
supporting img

1 Towards \(A\)
2 Towards \(B\)
3 First towards \(B\) then back towards \(A\)
4 Remains constant
PHXII03:CURRENT ELECTRICITY

357328 In a potentiometer experiment, the balancing point with a cell is at a length 240 \(cm\). On shunting the cell with a resistance of \(2\Omega \) , the balancing length becomes 120 \(cm\). The internal resistance of the cell is

1 \(1\Omega \)
2 \(4\Omega \)
3 \(0.5\Omega \)
4 \(2\Omega \)
PHXII03:CURRENT ELECTRICITY

357329 In a potentiometer circuit a cell of \(EMF\) 1.5\(V\) gives balance point at 36 \(cm\) length of wire. If another cell of \(EMF\) 2.5 \(V\) replaces the first cell, then at what length of the wire, the balance point occurs?

1 \(21.6\,cm\)
2 \(64\,cm\)
3 \(62\,cm\)
4 \(60\,cm\)
PHXII03:CURRENT ELECTRICITY

357330 In a potentiometer experiment, when three cells \(A\), \(B\) and \(C\) are connected in series, the balancing length is found to be 740 \(cm\). If \(A\) and \(B\) are connected in series balancing length in 440 \(cm\) and for \(B\) and C connected in series that is 540 \(cm\). Then the emf of \({E_A},{E_B}\;and\;{E_C}\) are respectively (\(K\) is the potential gradient of the rod per unit length, \(K = 1V/Cm\))

1 200 \(V\), 240 \(V\) and 300 \(V\)
2 240 \(V\), 220 \(V\) and 300 \(V\)
3 250 \(V\), 240 \(V\) and 300 \(V\)
4 100 \(V\), 50 \(V\) and 75 \(V\)
PHXII03:CURRENT ELECTRICITY

357331 A \(2\;V\) battery, a \(15\, \Omega\) resistor and a potentiometer of \(100\;cm\) length, all are connected in series. If the resistance of potentiometer wire is \(5\, \Omega\), then the potential gradient of the potentiometer wire is

1 \(0.005\;V\;c{m^{ - 1}}\)
2 \(0.05\;V\;c{m^{ - 1}}\)
3 \(0.02\;V\;c{m^{ - 1}}\)
4 \(0.2\;V\;c{m^{ - 1}}\)
PHXII03:CURRENT ELECTRICITY

357332 \(AB\) is a wire of potentiometer with the increase in value of resistance \(R\), the shift in the balance point \(J\) will be
supporting img

1 Towards \(A\)
2 Towards \(B\)
3 First towards \(B\) then back towards \(A\)
4 Remains constant
PHXII03:CURRENT ELECTRICITY

357328 In a potentiometer experiment, the balancing point with a cell is at a length 240 \(cm\). On shunting the cell with a resistance of \(2\Omega \) , the balancing length becomes 120 \(cm\). The internal resistance of the cell is

1 \(1\Omega \)
2 \(4\Omega \)
3 \(0.5\Omega \)
4 \(2\Omega \)
PHXII03:CURRENT ELECTRICITY

357329 In a potentiometer circuit a cell of \(EMF\) 1.5\(V\) gives balance point at 36 \(cm\) length of wire. If another cell of \(EMF\) 2.5 \(V\) replaces the first cell, then at what length of the wire, the balance point occurs?

1 \(21.6\,cm\)
2 \(64\,cm\)
3 \(62\,cm\)
4 \(60\,cm\)
PHXII03:CURRENT ELECTRICITY

357330 In a potentiometer experiment, when three cells \(A\), \(B\) and \(C\) are connected in series, the balancing length is found to be 740 \(cm\). If \(A\) and \(B\) are connected in series balancing length in 440 \(cm\) and for \(B\) and C connected in series that is 540 \(cm\). Then the emf of \({E_A},{E_B}\;and\;{E_C}\) are respectively (\(K\) is the potential gradient of the rod per unit length, \(K = 1V/Cm\))

1 200 \(V\), 240 \(V\) and 300 \(V\)
2 240 \(V\), 220 \(V\) and 300 \(V\)
3 250 \(V\), 240 \(V\) and 300 \(V\)
4 100 \(V\), 50 \(V\) and 75 \(V\)
PHXII03:CURRENT ELECTRICITY

357331 A \(2\;V\) battery, a \(15\, \Omega\) resistor and a potentiometer of \(100\;cm\) length, all are connected in series. If the resistance of potentiometer wire is \(5\, \Omega\), then the potential gradient of the potentiometer wire is

1 \(0.005\;V\;c{m^{ - 1}}\)
2 \(0.05\;V\;c{m^{ - 1}}\)
3 \(0.02\;V\;c{m^{ - 1}}\)
4 \(0.2\;V\;c{m^{ - 1}}\)
PHXII03:CURRENT ELECTRICITY

357332 \(AB\) is a wire of potentiometer with the increase in value of resistance \(R\), the shift in the balance point \(J\) will be
supporting img

1 Towards \(A\)
2 Towards \(B\)
3 First towards \(B\) then back towards \(A\)
4 Remains constant
PHXII03:CURRENT ELECTRICITY

357328 In a potentiometer experiment, the balancing point with a cell is at a length 240 \(cm\). On shunting the cell with a resistance of \(2\Omega \) , the balancing length becomes 120 \(cm\). The internal resistance of the cell is

1 \(1\Omega \)
2 \(4\Omega \)
3 \(0.5\Omega \)
4 \(2\Omega \)
PHXII03:CURRENT ELECTRICITY

357329 In a potentiometer circuit a cell of \(EMF\) 1.5\(V\) gives balance point at 36 \(cm\) length of wire. If another cell of \(EMF\) 2.5 \(V\) replaces the first cell, then at what length of the wire, the balance point occurs?

1 \(21.6\,cm\)
2 \(64\,cm\)
3 \(62\,cm\)
4 \(60\,cm\)
PHXII03:CURRENT ELECTRICITY

357330 In a potentiometer experiment, when three cells \(A\), \(B\) and \(C\) are connected in series, the balancing length is found to be 740 \(cm\). If \(A\) and \(B\) are connected in series balancing length in 440 \(cm\) and for \(B\) and C connected in series that is 540 \(cm\). Then the emf of \({E_A},{E_B}\;and\;{E_C}\) are respectively (\(K\) is the potential gradient of the rod per unit length, \(K = 1V/Cm\))

1 200 \(V\), 240 \(V\) and 300 \(V\)
2 240 \(V\), 220 \(V\) and 300 \(V\)
3 250 \(V\), 240 \(V\) and 300 \(V\)
4 100 \(V\), 50 \(V\) and 75 \(V\)
PHXII03:CURRENT ELECTRICITY

357331 A \(2\;V\) battery, a \(15\, \Omega\) resistor and a potentiometer of \(100\;cm\) length, all are connected in series. If the resistance of potentiometer wire is \(5\, \Omega\), then the potential gradient of the potentiometer wire is

1 \(0.005\;V\;c{m^{ - 1}}\)
2 \(0.05\;V\;c{m^{ - 1}}\)
3 \(0.02\;V\;c{m^{ - 1}}\)
4 \(0.2\;V\;c{m^{ - 1}}\)
PHXII03:CURRENT ELECTRICITY

357332 \(AB\) is a wire of potentiometer with the increase in value of resistance \(R\), the shift in the balance point \(J\) will be
supporting img

1 Towards \(A\)
2 Towards \(B\)
3 First towards \(B\) then back towards \(A\)
4 Remains constant
PHXII03:CURRENT ELECTRICITY

357328 In a potentiometer experiment, the balancing point with a cell is at a length 240 \(cm\). On shunting the cell with a resistance of \(2\Omega \) , the balancing length becomes 120 \(cm\). The internal resistance of the cell is

1 \(1\Omega \)
2 \(4\Omega \)
3 \(0.5\Omega \)
4 \(2\Omega \)
PHXII03:CURRENT ELECTRICITY

357329 In a potentiometer circuit a cell of \(EMF\) 1.5\(V\) gives balance point at 36 \(cm\) length of wire. If another cell of \(EMF\) 2.5 \(V\) replaces the first cell, then at what length of the wire, the balance point occurs?

1 \(21.6\,cm\)
2 \(64\,cm\)
3 \(62\,cm\)
4 \(60\,cm\)
PHXII03:CURRENT ELECTRICITY

357330 In a potentiometer experiment, when three cells \(A\), \(B\) and \(C\) are connected in series, the balancing length is found to be 740 \(cm\). If \(A\) and \(B\) are connected in series balancing length in 440 \(cm\) and for \(B\) and C connected in series that is 540 \(cm\). Then the emf of \({E_A},{E_B}\;and\;{E_C}\) are respectively (\(K\) is the potential gradient of the rod per unit length, \(K = 1V/Cm\))

1 200 \(V\), 240 \(V\) and 300 \(V\)
2 240 \(V\), 220 \(V\) and 300 \(V\)
3 250 \(V\), 240 \(V\) and 300 \(V\)
4 100 \(V\), 50 \(V\) and 75 \(V\)
PHXII03:CURRENT ELECTRICITY

357331 A \(2\;V\) battery, a \(15\, \Omega\) resistor and a potentiometer of \(100\;cm\) length, all are connected in series. If the resistance of potentiometer wire is \(5\, \Omega\), then the potential gradient of the potentiometer wire is

1 \(0.005\;V\;c{m^{ - 1}}\)
2 \(0.05\;V\;c{m^{ - 1}}\)
3 \(0.02\;V\;c{m^{ - 1}}\)
4 \(0.2\;V\;c{m^{ - 1}}\)
PHXII03:CURRENT ELECTRICITY

357332 \(AB\) is a wire of potentiometer with the increase in value of resistance \(R\), the shift in the balance point \(J\) will be
supporting img

1 Towards \(A\)
2 Towards \(B\)
3 First towards \(B\) then back towards \(A\)
4 Remains constant