Inductance
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PHXII06:ELECTROMAGNETIC INDUCTION

358559 The inductance of a coil is \(L = 10H\) and resistance \(R = 5\Omega \). If applied voltage of battery is \(10\;V\) and it switches OFF in \(1\;ms\), then find the value of induced emf of inductor.

1 \(2 \times {10^4}\;V\)
2 \(1.2 \times {10^4}\;V\)
3 \(2 \times {10^{ - 4}}\;V\)
4 None of these
PHXII06:ELECTROMAGNETIC INDUCTION

358560 Statement A :
The self-inductance of a long solenoid is inversely proportional to the area of cross-section.
Statement B :
Self inductance of a solenoid depends on total number of turns in it.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
PHXII06:ELECTROMAGNETIC INDUCTION

358561 The current in a self-inductance \(L = 40\,mH\) is to be increased uniformly from \(1\;A\) to \(11\;A\) in \(4\;ms\). The induced emf in the inductor during the process is

1 \(100\;V\)
2 \(0.4\;V\)
3 \(40\;V\)
4 \(440\;V\)
PHXII06:ELECTROMAGNETIC INDUCTION

358562 In the circuit as shown, charge \({q}\) varies with time \({t}\) as \({q=\left(t^{2}-4\right)}\) where \({q}\) is in \(C\) and time \({t}\) is in seconds. The value of \({V_{A B}}\) at time \({t=3 \sec}\) is
supporting img

1 \(2\,V\)
2 \(8\,V\)
3 \(5\,V\)
4 \(3\,V\)
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PHXII06:ELECTROMAGNETIC INDUCTION

358559 The inductance of a coil is \(L = 10H\) and resistance \(R = 5\Omega \). If applied voltage of battery is \(10\;V\) and it switches OFF in \(1\;ms\), then find the value of induced emf of inductor.

1 \(2 \times {10^4}\;V\)
2 \(1.2 \times {10^4}\;V\)
3 \(2 \times {10^{ - 4}}\;V\)
4 None of these
PHXII06:ELECTROMAGNETIC INDUCTION

358560 Statement A :
The self-inductance of a long solenoid is inversely proportional to the area of cross-section.
Statement B :
Self inductance of a solenoid depends on total number of turns in it.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
PHXII06:ELECTROMAGNETIC INDUCTION

358561 The current in a self-inductance \(L = 40\,mH\) is to be increased uniformly from \(1\;A\) to \(11\;A\) in \(4\;ms\). The induced emf in the inductor during the process is

1 \(100\;V\)
2 \(0.4\;V\)
3 \(40\;V\)
4 \(440\;V\)
PHXII06:ELECTROMAGNETIC INDUCTION

358562 In the circuit as shown, charge \({q}\) varies with time \({t}\) as \({q=\left(t^{2}-4\right)}\) where \({q}\) is in \(C\) and time \({t}\) is in seconds. The value of \({V_{A B}}\) at time \({t=3 \sec}\) is
supporting img

1 \(2\,V\)
2 \(8\,V\)
3 \(5\,V\)
4 \(3\,V\)
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PHXII06:ELECTROMAGNETIC INDUCTION

358559 The inductance of a coil is \(L = 10H\) and resistance \(R = 5\Omega \). If applied voltage of battery is \(10\;V\) and it switches OFF in \(1\;ms\), then find the value of induced emf of inductor.

1 \(2 \times {10^4}\;V\)
2 \(1.2 \times {10^4}\;V\)
3 \(2 \times {10^{ - 4}}\;V\)
4 None of these
PHXII06:ELECTROMAGNETIC INDUCTION

358560 Statement A :
The self-inductance of a long solenoid is inversely proportional to the area of cross-section.
Statement B :
Self inductance of a solenoid depends on total number of turns in it.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
PHXII06:ELECTROMAGNETIC INDUCTION

358561 The current in a self-inductance \(L = 40\,mH\) is to be increased uniformly from \(1\;A\) to \(11\;A\) in \(4\;ms\). The induced emf in the inductor during the process is

1 \(100\;V\)
2 \(0.4\;V\)
3 \(40\;V\)
4 \(440\;V\)
PHXII06:ELECTROMAGNETIC INDUCTION

358562 In the circuit as shown, charge \({q}\) varies with time \({t}\) as \({q=\left(t^{2}-4\right)}\) where \({q}\) is in \(C\) and time \({t}\) is in seconds. The value of \({V_{A B}}\) at time \({t=3 \sec}\) is
supporting img

1 \(2\,V\)
2 \(8\,V\)
3 \(5\,V\)
4 \(3\,V\)
For More Updates join with Us
PHXII06:ELECTROMAGNETIC INDUCTION

358559 The inductance of a coil is \(L = 10H\) and resistance \(R = 5\Omega \). If applied voltage of battery is \(10\;V\) and it switches OFF in \(1\;ms\), then find the value of induced emf of inductor.

1 \(2 \times {10^4}\;V\)
2 \(1.2 \times {10^4}\;V\)
3 \(2 \times {10^{ - 4}}\;V\)
4 None of these
PHXII06:ELECTROMAGNETIC INDUCTION

358560 Statement A :
The self-inductance of a long solenoid is inversely proportional to the area of cross-section.
Statement B :
Self inductance of a solenoid depends on total number of turns in it.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
PHXII06:ELECTROMAGNETIC INDUCTION

358561 The current in a self-inductance \(L = 40\,mH\) is to be increased uniformly from \(1\;A\) to \(11\;A\) in \(4\;ms\). The induced emf in the inductor during the process is

1 \(100\;V\)
2 \(0.4\;V\)
3 \(40\;V\)
4 \(440\;V\)
PHXII06:ELECTROMAGNETIC INDUCTION

358562 In the circuit as shown, charge \({q}\) varies with time \({t}\) as \({q=\left(t^{2}-4\right)}\) where \({q}\) is in \(C\) and time \({t}\) is in seconds. The value of \({V_{A B}}\) at time \({t=3 \sec}\) is
supporting img

1 \(2\,V\)
2 \(8\,V\)
3 \(5\,V\)
4 \(3\,V\)