Miscellaneous Problems on Electromagnetic Induction
PHXII06:ELECTROMAGNETIC INDUCTION

358598 Assertion :
A spark occurs between the poles of a switch when the switch is opened.
Reason :
Current flowing in the conductor produces magnetic field.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
PHXII06:ELECTROMAGNETIC INDUCTION

358599 A flat circular coil \(10\,cm\) radius has 200 turns. The coil is connected to a capacitor of capacity \(20\,\mu F\). It is placed in a uniform magnetic field which decreases at a rate of 0.01 tesla per second. The charge on the capacitor is

1 \(1.25\,\mu C\)
2 \(2.62\,\mu C\)
3 \(5.26\,\mu C\)
4 \(4.75\,\mu C\)
PHXII06:ELECTROMAGNETIC INDUCTION

358600 In the circuit of figure, the battery emf is \(50\,V\), the resistance is \(200\,\Omega \), and the capacitance is \(1.0\,\mu F\). The switch \({S}\) is closed for a long time interval, and zero potential difference is measured across the capacitor.
supporting img
After the switch is opened, the potential difference across the capacitor reaches a maximum value of \(100\,V\) The value of the inductance is

1 \(130\,mH\)
2 \(160\,mH\)
3 \(190\,mH\)
4 \(150\,mH\)
PHXII06:ELECTROMAGNETIC INDUCTION

358601 Assertion :
The possibility of an electric bulb fusing is higher at the time switching ON and OFF.
Reason :
Inductive effects produces a surge at the time of switch OFF and switch ON

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
PHXII06:ELECTROMAGNETIC INDUCTION

358598 Assertion :
A spark occurs between the poles of a switch when the switch is opened.
Reason :
Current flowing in the conductor produces magnetic field.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
PHXII06:ELECTROMAGNETIC INDUCTION

358599 A flat circular coil \(10\,cm\) radius has 200 turns. The coil is connected to a capacitor of capacity \(20\,\mu F\). It is placed in a uniform magnetic field which decreases at a rate of 0.01 tesla per second. The charge on the capacitor is

1 \(1.25\,\mu C\)
2 \(2.62\,\mu C\)
3 \(5.26\,\mu C\)
4 \(4.75\,\mu C\)
PHXII06:ELECTROMAGNETIC INDUCTION

358600 In the circuit of figure, the battery emf is \(50\,V\), the resistance is \(200\,\Omega \), and the capacitance is \(1.0\,\mu F\). The switch \({S}\) is closed for a long time interval, and zero potential difference is measured across the capacitor.
supporting img
After the switch is opened, the potential difference across the capacitor reaches a maximum value of \(100\,V\) The value of the inductance is

1 \(130\,mH\)
2 \(160\,mH\)
3 \(190\,mH\)
4 \(150\,mH\)
PHXII06:ELECTROMAGNETIC INDUCTION

358601 Assertion :
The possibility of an electric bulb fusing is higher at the time switching ON and OFF.
Reason :
Inductive effects produces a surge at the time of switch OFF and switch ON

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
PHXII06:ELECTROMAGNETIC INDUCTION

358598 Assertion :
A spark occurs between the poles of a switch when the switch is opened.
Reason :
Current flowing in the conductor produces magnetic field.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
PHXII06:ELECTROMAGNETIC INDUCTION

358599 A flat circular coil \(10\,cm\) radius has 200 turns. The coil is connected to a capacitor of capacity \(20\,\mu F\). It is placed in a uniform magnetic field which decreases at a rate of 0.01 tesla per second. The charge on the capacitor is

1 \(1.25\,\mu C\)
2 \(2.62\,\mu C\)
3 \(5.26\,\mu C\)
4 \(4.75\,\mu C\)
PHXII06:ELECTROMAGNETIC INDUCTION

358600 In the circuit of figure, the battery emf is \(50\,V\), the resistance is \(200\,\Omega \), and the capacitance is \(1.0\,\mu F\). The switch \({S}\) is closed for a long time interval, and zero potential difference is measured across the capacitor.
supporting img
After the switch is opened, the potential difference across the capacitor reaches a maximum value of \(100\,V\) The value of the inductance is

1 \(130\,mH\)
2 \(160\,mH\)
3 \(190\,mH\)
4 \(150\,mH\)
PHXII06:ELECTROMAGNETIC INDUCTION

358601 Assertion :
The possibility of an electric bulb fusing is higher at the time switching ON and OFF.
Reason :
Inductive effects produces a surge at the time of switch OFF and switch ON

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
PHXII06:ELECTROMAGNETIC INDUCTION

358598 Assertion :
A spark occurs between the poles of a switch when the switch is opened.
Reason :
Current flowing in the conductor produces magnetic field.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
PHXII06:ELECTROMAGNETIC INDUCTION

358599 A flat circular coil \(10\,cm\) radius has 200 turns. The coil is connected to a capacitor of capacity \(20\,\mu F\). It is placed in a uniform magnetic field which decreases at a rate of 0.01 tesla per second. The charge on the capacitor is

1 \(1.25\,\mu C\)
2 \(2.62\,\mu C\)
3 \(5.26\,\mu C\)
4 \(4.75\,\mu C\)
PHXII06:ELECTROMAGNETIC INDUCTION

358600 In the circuit of figure, the battery emf is \(50\,V\), the resistance is \(200\,\Omega \), and the capacitance is \(1.0\,\mu F\). The switch \({S}\) is closed for a long time interval, and zero potential difference is measured across the capacitor.
supporting img
After the switch is opened, the potential difference across the capacitor reaches a maximum value of \(100\,V\) The value of the inductance is

1 \(130\,mH\)
2 \(160\,mH\)
3 \(190\,mH\)
4 \(150\,mH\)
PHXII06:ELECTROMAGNETIC INDUCTION

358601 Assertion :
The possibility of an electric bulb fusing is higher at the time switching ON and OFF.
Reason :
Inductive effects produces a surge at the time of switch OFF and switch ON

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.