Question 11 : In ac circuit, resistance 5 ohm is connected with capacitor having capacitive reactance 12 ohm. Supply of 260 V is connected to the circuit. Calculate the voltage across resistance.
1. 300 V
2. 200 V
3. 240 V
4. 100 V
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Question 12 : In ac circuit, resistance 5 ohm is connected with capacitor having capacitive reactance 12 ohm. Supply of 260 V is connected to the circuit. Calculate the current in the circuit.
1. 40 A
2. 10 A
3. 20 A
4. 30 A
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Question 13 : If in an alternating current circuit, capacitance C is connected to a supply of 200V,50Hz. Current in the circuit is 1.89 A. Find the capacitance C.
1. 30 µF
2. 20 µF
3. 10 µF
4. 15 µF
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Question 14 : If in an alternating current circuit, capacitance of 30 µF is connected to a supply of 200V,50Hz. Find the current in the circuit.
1. 1.38 A
2. 1.89 A
3. 1.74 A
4. 0.89 A
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Question 15 : If in an alternating current circuit, impedance is 26 ohm, capacitive reactance is 24 ohm, what is the resistance?
1. 25 ohm
2. 10 ohm
3. 12 ohm
4. 23 ohm
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Question 16 : If in an alternating current circuit, resistance is 5 ohm, capacitive reactance is 12 ohm, what is the impedance?
1. 5 ohm
2. 10 ohm
3. 12 ohm
4. 13 ohm
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Question 17 : Which type of current can be stored in a capacitor?
1. Alternating current
2. Direct current
3. Both alternating current and direct current
4. Neither alternating current nor direct current
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Question 18 : What is imaginary part of the impedance of RLC circuit?
1. Resistance
2. Conductance
3. Admittance
4. Reactance
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Question 19 : What is the real part of the impedance of RLC circuit?
1. Resistance
2. Conductance
3. Admittance
4. Reactance
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Question 20 : What is the relation between reactance, resistance and impedance?
1. Z=R+jX
2. Z=R+X
3. Z=R-X
4. Z=R-jX
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