Electrical Instruments
PHXII03:CURRENT ELECTRICITY

357341 In the potentiometer experiment the ratio of \({\varepsilon _1}\) and \({\varepsilon _2}\) is equal to 2. If the balancing length \({l_1} = 10cm\), when the switch \({S_1}\) is closed and \({S_2}\) is open. Find the bal ancing length when \({S_1}\) is open and \({S_2}\) is closed.
supporting img

1 \(10\,cm\)
2 \(\,5\,cm\)
3 \(1\,5\,cm\)
4 \(20\,cm\)
PHXII03:CURRENT ELECTRICITY

357342 A potentiometer is an accurate and versatile device to make electrical measurements of \(E\).\(M\).\(F\). because the method involves :-

1 Potential gradients
2 A condition of no current flow through the galvanometer
3 A combination of cells, galvanometer and resistances
4 Cells
PHXII03:CURRENT ELECTRICITY

357343 In the figure in balanced condition of wheatstone bridge
supporting img

1 \(B\) is at higher potential.
2 \(D\) is at higher potential.
3 \(B\) and \(D\) are at same potential.
4 \(B\) and \(D\) potentials are never equal
PHXII03:CURRENT ELECTRICITY

357344 Three resistance \(P\), \(Q\), \(R\) each of \(2\,\Omega \) and an unknown resistance \(S\) form the four arms of a Wheatstone bridge circuit. When a resistance of \(6{\kern 1pt} \Omega \) is connected in parallel to \(S\) the bridge gets balanced. What is the value of \(S\) ?

1 \(2{\kern 1pt} \Omega \)
2 \(6{\kern 1pt} \Omega \)
3 \(3\Omega \)
4 \(1\Omega \)
PHXII03:CURRENT ELECTRICITY

357345 In the Wheatstone's network given,\(P = 10\Omega ,Q = 20\Omega ,R = 15\Omega ,S = 30\Omega .\). The current passing through the battery (of negligible internal resistance) is
supporting img

1 \(0.36\,A\)
2 \(0.\,A\)
3 \(0.\,18A\)
4 \(0.\,72A\)
PHXII03:CURRENT ELECTRICITY

357341 In the potentiometer experiment the ratio of \({\varepsilon _1}\) and \({\varepsilon _2}\) is equal to 2. If the balancing length \({l_1} = 10cm\), when the switch \({S_1}\) is closed and \({S_2}\) is open. Find the bal ancing length when \({S_1}\) is open and \({S_2}\) is closed.
supporting img

1 \(10\,cm\)
2 \(\,5\,cm\)
3 \(1\,5\,cm\)
4 \(20\,cm\)
PHXII03:CURRENT ELECTRICITY

357342 A potentiometer is an accurate and versatile device to make electrical measurements of \(E\).\(M\).\(F\). because the method involves :-

1 Potential gradients
2 A condition of no current flow through the galvanometer
3 A combination of cells, galvanometer and resistances
4 Cells
PHXII03:CURRENT ELECTRICITY

357343 In the figure in balanced condition of wheatstone bridge
supporting img

1 \(B\) is at higher potential.
2 \(D\) is at higher potential.
3 \(B\) and \(D\) are at same potential.
4 \(B\) and \(D\) potentials are never equal
PHXII03:CURRENT ELECTRICITY

357344 Three resistance \(P\), \(Q\), \(R\) each of \(2\,\Omega \) and an unknown resistance \(S\) form the four arms of a Wheatstone bridge circuit. When a resistance of \(6{\kern 1pt} \Omega \) is connected in parallel to \(S\) the bridge gets balanced. What is the value of \(S\) ?

1 \(2{\kern 1pt} \Omega \)
2 \(6{\kern 1pt} \Omega \)
3 \(3\Omega \)
4 \(1\Omega \)
PHXII03:CURRENT ELECTRICITY

357345 In the Wheatstone's network given,\(P = 10\Omega ,Q = 20\Omega ,R = 15\Omega ,S = 30\Omega .\). The current passing through the battery (of negligible internal resistance) is
supporting img

1 \(0.36\,A\)
2 \(0.\,A\)
3 \(0.\,18A\)
4 \(0.\,72A\)
PHXII03:CURRENT ELECTRICITY

357341 In the potentiometer experiment the ratio of \({\varepsilon _1}\) and \({\varepsilon _2}\) is equal to 2. If the balancing length \({l_1} = 10cm\), when the switch \({S_1}\) is closed and \({S_2}\) is open. Find the bal ancing length when \({S_1}\) is open and \({S_2}\) is closed.
supporting img

1 \(10\,cm\)
2 \(\,5\,cm\)
3 \(1\,5\,cm\)
4 \(20\,cm\)
PHXII03:CURRENT ELECTRICITY

357342 A potentiometer is an accurate and versatile device to make electrical measurements of \(E\).\(M\).\(F\). because the method involves :-

1 Potential gradients
2 A condition of no current flow through the galvanometer
3 A combination of cells, galvanometer and resistances
4 Cells
PHXII03:CURRENT ELECTRICITY

357343 In the figure in balanced condition of wheatstone bridge
supporting img

1 \(B\) is at higher potential.
2 \(D\) is at higher potential.
3 \(B\) and \(D\) are at same potential.
4 \(B\) and \(D\) potentials are never equal
PHXII03:CURRENT ELECTRICITY

357344 Three resistance \(P\), \(Q\), \(R\) each of \(2\,\Omega \) and an unknown resistance \(S\) form the four arms of a Wheatstone bridge circuit. When a resistance of \(6{\kern 1pt} \Omega \) is connected in parallel to \(S\) the bridge gets balanced. What is the value of \(S\) ?

1 \(2{\kern 1pt} \Omega \)
2 \(6{\kern 1pt} \Omega \)
3 \(3\Omega \)
4 \(1\Omega \)
PHXII03:CURRENT ELECTRICITY

357345 In the Wheatstone's network given,\(P = 10\Omega ,Q = 20\Omega ,R = 15\Omega ,S = 30\Omega .\). The current passing through the battery (of negligible internal resistance) is
supporting img

1 \(0.36\,A\)
2 \(0.\,A\)
3 \(0.\,18A\)
4 \(0.\,72A\)
PHXII03:CURRENT ELECTRICITY

357341 In the potentiometer experiment the ratio of \({\varepsilon _1}\) and \({\varepsilon _2}\) is equal to 2. If the balancing length \({l_1} = 10cm\), when the switch \({S_1}\) is closed and \({S_2}\) is open. Find the bal ancing length when \({S_1}\) is open and \({S_2}\) is closed.
supporting img

1 \(10\,cm\)
2 \(\,5\,cm\)
3 \(1\,5\,cm\)
4 \(20\,cm\)
PHXII03:CURRENT ELECTRICITY

357342 A potentiometer is an accurate and versatile device to make electrical measurements of \(E\).\(M\).\(F\). because the method involves :-

1 Potential gradients
2 A condition of no current flow through the galvanometer
3 A combination of cells, galvanometer and resistances
4 Cells
PHXII03:CURRENT ELECTRICITY

357343 In the figure in balanced condition of wheatstone bridge
supporting img

1 \(B\) is at higher potential.
2 \(D\) is at higher potential.
3 \(B\) and \(D\) are at same potential.
4 \(B\) and \(D\) potentials are never equal
PHXII03:CURRENT ELECTRICITY

357344 Three resistance \(P\), \(Q\), \(R\) each of \(2\,\Omega \) and an unknown resistance \(S\) form the four arms of a Wheatstone bridge circuit. When a resistance of \(6{\kern 1pt} \Omega \) is connected in parallel to \(S\) the bridge gets balanced. What is the value of \(S\) ?

1 \(2{\kern 1pt} \Omega \)
2 \(6{\kern 1pt} \Omega \)
3 \(3\Omega \)
4 \(1\Omega \)
PHXII03:CURRENT ELECTRICITY

357345 In the Wheatstone's network given,\(P = 10\Omega ,Q = 20\Omega ,R = 15\Omega ,S = 30\Omega .\). The current passing through the battery (of negligible internal resistance) is
supporting img

1 \(0.36\,A\)
2 \(0.\,A\)
3 \(0.\,18A\)
4 \(0.\,72A\)
PHXII03:CURRENT ELECTRICITY

357341 In the potentiometer experiment the ratio of \({\varepsilon _1}\) and \({\varepsilon _2}\) is equal to 2. If the balancing length \({l_1} = 10cm\), when the switch \({S_1}\) is closed and \({S_2}\) is open. Find the bal ancing length when \({S_1}\) is open and \({S_2}\) is closed.
supporting img

1 \(10\,cm\)
2 \(\,5\,cm\)
3 \(1\,5\,cm\)
4 \(20\,cm\)
PHXII03:CURRENT ELECTRICITY

357342 A potentiometer is an accurate and versatile device to make electrical measurements of \(E\).\(M\).\(F\). because the method involves :-

1 Potential gradients
2 A condition of no current flow through the galvanometer
3 A combination of cells, galvanometer and resistances
4 Cells
PHXII03:CURRENT ELECTRICITY

357343 In the figure in balanced condition of wheatstone bridge
supporting img

1 \(B\) is at higher potential.
2 \(D\) is at higher potential.
3 \(B\) and \(D\) are at same potential.
4 \(B\) and \(D\) potentials are never equal
PHXII03:CURRENT ELECTRICITY

357344 Three resistance \(P\), \(Q\), \(R\) each of \(2\,\Omega \) and an unknown resistance \(S\) form the four arms of a Wheatstone bridge circuit. When a resistance of \(6{\kern 1pt} \Omega \) is connected in parallel to \(S\) the bridge gets balanced. What is the value of \(S\) ?

1 \(2{\kern 1pt} \Omega \)
2 \(6{\kern 1pt} \Omega \)
3 \(3\Omega \)
4 \(1\Omega \)
PHXII03:CURRENT ELECTRICITY

357345 In the Wheatstone's network given,\(P = 10\Omega ,Q = 20\Omega ,R = 15\Omega ,S = 30\Omega .\). The current passing through the battery (of negligible internal resistance) is
supporting img

1 \(0.36\,A\)
2 \(0.\,A\)
3 \(0.\,18A\)
4 \(0.\,72A\)