A capacitor of capacitance 25μF is connected to an a.c. power source of frequency 200 Hz. Calculate the reactance of the capacitor?
A. 0.01 B. 0.02 C. 50.00 D. 100.00 E. 200.00. Correct Answer: Option D – 100.00Calculate the inductive reactance of the circuit shown below?
A. 50.00 B. 5.00 C. 0.50 D. 0.05 E. 0.02 Correct Answer: Option A – 50.00
Calculate the inductance L of the coil in the circuit shown below.
A. 14.4H B. 3.8H C. 0.6H D. 0.4H E. 0.2H Correct Answer: Option C – 0.6H
What is the escape velocity of a body on the surface of the earth of radius R if the gravitational constant is G and the mass of the earth is M? (Neglect energy losses to the surroundings)
A. 2GR B. 2G/R C. 2GR² D. 2GM/R Correct Answer: Option D – 2GM/RProducts
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