Calculate the inductance of an inductor whose reactance is one ohm at 50 Hz.
A. 2.00 x 10‾²H B. 6.36 x 10‾²H C. 3.18 x 10‾²H D. 4.55 x 10‾²H Correct Answer: Option C C. 3.18 x 10‾²HAn inductor of inductance 10H carries a current of 0.2A. Calculate the energy stored in the inductor?
A. 0.1J B. 0.2J C. 1.0J D. 2.0J Correct Answer: Option B B. 0.2JA device used to prevent wearing away of the make and-brake contacts of an induction coil is called a\an?
A. fuse B. electroscope C. resistor D. capacitor Correct Answer: Option D D. capacitorThe region around a magnet in which the magnetic influence is experienced is called?
A. magnetic flux B. magnetic field C. magnetic meridian D. magnetic declination Correct Answer: Option B B. magnetic fieldProducts
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