Back to ALTERNATING CURRENT
NEET UG PHYSICS MCQ: ALTERNATING CURRENT
1
Hard
1 of 1
Application
+4 | -1
An AC circuit having an inductor and a resistor in series draws a power of from an AC source marked . The power factor of the circuit is 0.8, the impedance of the circuit and the inductance of the inductor is
View answer and explanation
Correct option: C
Option C () is correct because it is calculated by finding the impedance from power and voltage, and then inductance from impedance and power factor.
More Questions from ALTERNATING CURRENT
Practice All Chapter MCQs →
Assertion (A) : In an circuit, potential difference across the capacitor may be greater than the applied voltage.
Reason (R) : , whereas and can be greater than also. When power is drawn from the secondary coil of the transformer, the dynamic resistance An alternating e.m.f. is applied to purely capacitive circuit. The phase relation between e.m.f. and current flowing in the circuit is or
In a circuit containing capacitance only
Average power in the L-C-R circuit depends upon A generator produces a voltage that is given by , where t is in seconds. The frequency and r.m.s. voltage are In a choke coil, the resistance and resistance are such that
Reason (R) : , whereas and can be greater than also. When power is drawn from the secondary coil of the transformer, the dynamic resistance An alternating e.m.f. is applied to purely capacitive circuit. The phase relation between e.m.f. and current flowing in the circuit is or
In a circuit containing capacitance only
Average power in the L-C-R circuit depends upon A generator produces a voltage that is given by , where t is in seconds. The frequency and r.m.s. voltage are In a choke coil, the resistance and resistance are such that
