A circuit has a resistance of 12 ohm and an impedance of 15 ohm. The power factor of the…
Physics · NEET · NTA Exams — Electromagnetic Induction and Alternating Currents
A circuit has a resistance of 12 ohm and an impedance of 15 ohm. The power factor of the circuit will be
- 1.25
- 0.125
- 0.8
- 0.4
Answer
(C) 0.8
Sign up free on Edukali to view the step-by-step worked solution and practice thousands of similar questions.
Related practice questions
- In a step-up transformer the ratio of turns of the primary and the secondary is 1 : 25. If the input voltage…
- The magnetic energy stored in an inductor of inductance 4 H carrying a current of 2 A is:
- A transformer having efficiency of 90% is working on 200 V and 3 kW power supply. If the current in the…
- A conducting circular loop is placed in a uniform magnetic field 0.04 T with its plane perpendicular to the…
- In the circuit shown below neglecting source resistance, the voltmeter and ammeter readings will respectively…
- The flux linked with a coil at any instant 't' is given by =10 t^ 2 -50 t+250 . The induced emf at t = 3 s is
- Two coils are placed close to each other. The mutual inductance of the pair of coils depends upon
- In a LCR series circuit, the potential difference between the terminals of the inductance is 60 V, between…
More Electromagnetic Induction and Alternating Currents questions · Browse all practice questions