Question 1 : In a series circuit, which of the parameters remain constant across all circuit elements such as resistor, capacitor, inductor etc?
1. Voltage
2. Current
3. Both voltage and current
4. Neither voltage nor current
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Question 2 : When inductors are connected in series, the voltage across each inductor is _________
1. Equal
2. Different
3. Zero
4. Infinity
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Question 3 : Three inductors having inductance values 3H, 4H and 5H are connected in series, calculate the equivalent inductance.
1. 10H
2. 12H
3. 3H
4. 5H
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Question 4 : When inductances are connected in series, the equivalent inductance is ____________ the largest individual inductance.
1. Greater than
2. Less than
3. Equal to
4. Not related to
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Question 5 : What is the equivalent inductance when inductors are connected in series?
1. Sum of all the individual inductances
2. Product of all the individual inductances
3. Sum of the reciprocal of all the individual inductances
4. Product of the reciprocal of all the individual inductances
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Question 6 : Find the value of x if the Mutual inductance is 20H, the inductance of coil 1 is xH and the inductance of coil 2 is 8H. The coupling coefficient is 5.
1. 2H
2. 4H
3. 6H
4. 8H
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Question 7 : Find the value of x if the Mutual inductance is x H, the inductance of coil 1 is 2H and the inductance of coil 2 is 8H. The coupling coefficient is 5.
1. 10H
2. 20H
3. 16H
4. 15H
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Question 8 : Find the coupling coefficient if the Mutual inductance is 20H, the inductance of coil 1 is 2H and the inductance of coil 2 is 8H.
1. 5
2. 20
3. 2
4. 8
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Question 9 : What is the SI unit of coupling coefficient?
1. H
2. H^-1
3. No unit
4. H²
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Question 10 : What happens to the coupling coefficient when the flux linkage of coil 1 and coil 2 increases?
1. Increases
2. Decreases
3. Remains the same
4. Becomes zero
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