Electrical Instruments
PHXII03:CURRENT ELECTRICITY

357251 An electric circuit is shown in figure. Calculate the potential difference across the resistor (in \(V\) ) of \({400\,\, \Omega}\), as will be measured by the voltmeter \({V}\) of resistance \({400\,\, \Omega}\).
supporting img

1 \(6.67\,V\)
2 \(4.54\,V\)
3 \(8.65\,V\)
4 \(3.64\,\Omega \)
PHXII03:CURRENT ELECTRICITY

357252 Resistances \({R_1}\) and \({R_2}\) each 60 are connected in series as shown in figure. The potential difference between \(A\) and \(B\) is kept at 120 volt. Then what will be the reading of voltmeter connected between the points \(C\) and \(D\) if resistance of voltmeter is \(120\Omega \)?
supporting img

1 \(48\,V\)
2 \(24\,V\)
3 \(40\,V\)
4 \({\rm{None}}\)
PHXII03:CURRENT ELECTRICITY

357253 Eight cells marked 1 to 8, each of emf 5 \(V\) and internal resistance \(0.2\Omega \) are connected as shown. What is the reading of ideal voltmeter?
supporting img

1 \(20\,V\)
2 \(40\,V\)
3 \({\rm{Zero}}\)
4 \(5\,V\)
PHXII03:CURRENT ELECTRICITY

357254 Three voltmeters \(A\), \(B\) and \(C\) having resistances \(R\), 1.5\(R\) and 3\(R\) respectively are used in a circuit as shown. When a \(P\).\(D\). is applied between \(X\) and \(Y\), the reading of the voltmeters are \({V_1},{V_2}\) and \({V_3}\) respectively. Then
supporting img

1 \({V_1} = {V_2} = {V_3}\)
2 \({V_1} < {V_2} = {V_3}\)
3 \({V_1} > {V_2} > {V_3}\)
4 \({V_1} > {V_2} = {V_3}\)
PHXII03:CURRENT ELECTRICITY

357255 A cell of emf \(90\;V\) is connected across series combination of two resistors each of \(100 \Omega\) resistance. A voltmeter if resistance \(400 \Omega\) is used to measure the potential difference across each resister. The reading of the voltmeter will be

1 \(45\;V\)
2 \(40\;V\)
3 \(90\;V\)
4 \(80\;V\)
PHXII03:CURRENT ELECTRICITY

357251 An electric circuit is shown in figure. Calculate the potential difference across the resistor (in \(V\) ) of \({400\,\, \Omega}\), as will be measured by the voltmeter \({V}\) of resistance \({400\,\, \Omega}\).
supporting img

1 \(6.67\,V\)
2 \(4.54\,V\)
3 \(8.65\,V\)
4 \(3.64\,\Omega \)
PHXII03:CURRENT ELECTRICITY

357252 Resistances \({R_1}\) and \({R_2}\) each 60 are connected in series as shown in figure. The potential difference between \(A\) and \(B\) is kept at 120 volt. Then what will be the reading of voltmeter connected between the points \(C\) and \(D\) if resistance of voltmeter is \(120\Omega \)?
supporting img

1 \(48\,V\)
2 \(24\,V\)
3 \(40\,V\)
4 \({\rm{None}}\)
PHXII03:CURRENT ELECTRICITY

357253 Eight cells marked 1 to 8, each of emf 5 \(V\) and internal resistance \(0.2\Omega \) are connected as shown. What is the reading of ideal voltmeter?
supporting img

1 \(20\,V\)
2 \(40\,V\)
3 \({\rm{Zero}}\)
4 \(5\,V\)
PHXII03:CURRENT ELECTRICITY

357254 Three voltmeters \(A\), \(B\) and \(C\) having resistances \(R\), 1.5\(R\) and 3\(R\) respectively are used in a circuit as shown. When a \(P\).\(D\). is applied between \(X\) and \(Y\), the reading of the voltmeters are \({V_1},{V_2}\) and \({V_3}\) respectively. Then
supporting img

1 \({V_1} = {V_2} = {V_3}\)
2 \({V_1} < {V_2} = {V_3}\)
3 \({V_1} > {V_2} > {V_3}\)
4 \({V_1} > {V_2} = {V_3}\)
PHXII03:CURRENT ELECTRICITY

357255 A cell of emf \(90\;V\) is connected across series combination of two resistors each of \(100 \Omega\) resistance. A voltmeter if resistance \(400 \Omega\) is used to measure the potential difference across each resister. The reading of the voltmeter will be

1 \(45\;V\)
2 \(40\;V\)
3 \(90\;V\)
4 \(80\;V\)
PHXII03:CURRENT ELECTRICITY

357251 An electric circuit is shown in figure. Calculate the potential difference across the resistor (in \(V\) ) of \({400\,\, \Omega}\), as will be measured by the voltmeter \({V}\) of resistance \({400\,\, \Omega}\).
supporting img

1 \(6.67\,V\)
2 \(4.54\,V\)
3 \(8.65\,V\)
4 \(3.64\,\Omega \)
PHXII03:CURRENT ELECTRICITY

357252 Resistances \({R_1}\) and \({R_2}\) each 60 are connected in series as shown in figure. The potential difference between \(A\) and \(B\) is kept at 120 volt. Then what will be the reading of voltmeter connected between the points \(C\) and \(D\) if resistance of voltmeter is \(120\Omega \)?
supporting img

1 \(48\,V\)
2 \(24\,V\)
3 \(40\,V\)
4 \({\rm{None}}\)
PHXII03:CURRENT ELECTRICITY

357253 Eight cells marked 1 to 8, each of emf 5 \(V\) and internal resistance \(0.2\Omega \) are connected as shown. What is the reading of ideal voltmeter?
supporting img

1 \(20\,V\)
2 \(40\,V\)
3 \({\rm{Zero}}\)
4 \(5\,V\)
PHXII03:CURRENT ELECTRICITY

357254 Three voltmeters \(A\), \(B\) and \(C\) having resistances \(R\), 1.5\(R\) and 3\(R\) respectively are used in a circuit as shown. When a \(P\).\(D\). is applied between \(X\) and \(Y\), the reading of the voltmeters are \({V_1},{V_2}\) and \({V_3}\) respectively. Then
supporting img

1 \({V_1} = {V_2} = {V_3}\)
2 \({V_1} < {V_2} = {V_3}\)
3 \({V_1} > {V_2} > {V_3}\)
4 \({V_1} > {V_2} = {V_3}\)
PHXII03:CURRENT ELECTRICITY

357255 A cell of emf \(90\;V\) is connected across series combination of two resistors each of \(100 \Omega\) resistance. A voltmeter if resistance \(400 \Omega\) is used to measure the potential difference across each resister. The reading of the voltmeter will be

1 \(45\;V\)
2 \(40\;V\)
3 \(90\;V\)
4 \(80\;V\)
PHXII03:CURRENT ELECTRICITY

357251 An electric circuit is shown in figure. Calculate the potential difference across the resistor (in \(V\) ) of \({400\,\, \Omega}\), as will be measured by the voltmeter \({V}\) of resistance \({400\,\, \Omega}\).
supporting img

1 \(6.67\,V\)
2 \(4.54\,V\)
3 \(8.65\,V\)
4 \(3.64\,\Omega \)
PHXII03:CURRENT ELECTRICITY

357252 Resistances \({R_1}\) and \({R_2}\) each 60 are connected in series as shown in figure. The potential difference between \(A\) and \(B\) is kept at 120 volt. Then what will be the reading of voltmeter connected between the points \(C\) and \(D\) if resistance of voltmeter is \(120\Omega \)?
supporting img

1 \(48\,V\)
2 \(24\,V\)
3 \(40\,V\)
4 \({\rm{None}}\)
PHXII03:CURRENT ELECTRICITY

357253 Eight cells marked 1 to 8, each of emf 5 \(V\) and internal resistance \(0.2\Omega \) are connected as shown. What is the reading of ideal voltmeter?
supporting img

1 \(20\,V\)
2 \(40\,V\)
3 \({\rm{Zero}}\)
4 \(5\,V\)
PHXII03:CURRENT ELECTRICITY

357254 Three voltmeters \(A\), \(B\) and \(C\) having resistances \(R\), 1.5\(R\) and 3\(R\) respectively are used in a circuit as shown. When a \(P\).\(D\). is applied between \(X\) and \(Y\), the reading of the voltmeters are \({V_1},{V_2}\) and \({V_3}\) respectively. Then
supporting img

1 \({V_1} = {V_2} = {V_3}\)
2 \({V_1} < {V_2} = {V_3}\)
3 \({V_1} > {V_2} > {V_3}\)
4 \({V_1} > {V_2} = {V_3}\)
PHXII03:CURRENT ELECTRICITY

357255 A cell of emf \(90\;V\) is connected across series combination of two resistors each of \(100 \Omega\) resistance. A voltmeter if resistance \(400 \Omega\) is used to measure the potential difference across each resister. The reading of the voltmeter will be

1 \(45\;V\)
2 \(40\;V\)
3 \(90\;V\)
4 \(80\;V\)
PHXII03:CURRENT ELECTRICITY

357251 An electric circuit is shown in figure. Calculate the potential difference across the resistor (in \(V\) ) of \({400\,\, \Omega}\), as will be measured by the voltmeter \({V}\) of resistance \({400\,\, \Omega}\).
supporting img

1 \(6.67\,V\)
2 \(4.54\,V\)
3 \(8.65\,V\)
4 \(3.64\,\Omega \)
PHXII03:CURRENT ELECTRICITY

357252 Resistances \({R_1}\) and \({R_2}\) each 60 are connected in series as shown in figure. The potential difference between \(A\) and \(B\) is kept at 120 volt. Then what will be the reading of voltmeter connected between the points \(C\) and \(D\) if resistance of voltmeter is \(120\Omega \)?
supporting img

1 \(48\,V\)
2 \(24\,V\)
3 \(40\,V\)
4 \({\rm{None}}\)
PHXII03:CURRENT ELECTRICITY

357253 Eight cells marked 1 to 8, each of emf 5 \(V\) and internal resistance \(0.2\Omega \) are connected as shown. What is the reading of ideal voltmeter?
supporting img

1 \(20\,V\)
2 \(40\,V\)
3 \({\rm{Zero}}\)
4 \(5\,V\)
PHXII03:CURRENT ELECTRICITY

357254 Three voltmeters \(A\), \(B\) and \(C\) having resistances \(R\), 1.5\(R\) and 3\(R\) respectively are used in a circuit as shown. When a \(P\).\(D\). is applied between \(X\) and \(Y\), the reading of the voltmeters are \({V_1},{V_2}\) and \({V_3}\) respectively. Then
supporting img

1 \({V_1} = {V_2} = {V_3}\)
2 \({V_1} < {V_2} = {V_3}\)
3 \({V_1} > {V_2} > {V_3}\)
4 \({V_1} > {V_2} = {V_3}\)
PHXII03:CURRENT ELECTRICITY

357255 A cell of emf \(90\;V\) is connected across series combination of two resistors each of \(100 \Omega\) resistance. A voltmeter if resistance \(400 \Omega\) is used to measure the potential difference across each resister. The reading of the voltmeter will be

1 \(45\;V\)
2 \(40\;V\)
3 \(90\;V\)
4 \(80\;V\)