A. 2A B. 3A C. 5A D. 8A Correct Answer: Option B B. 3A Explanation Ammeters are connected in series…
I. Capacitance of the capacitor is inversely proportional to the distance between the plates II. Capacitors can filter a.c signals…
A. live, neutral and earth B. neutral, earth and live C. earth, live and neutral D. earth, neutral and live…
A. The electrolyte does not need attention B. It can be recharged C. It has low internal resistance D. It…
A. resistance box B. standard resistor C. shunt resistor D. multiplier resistor Correct Answer: Option B B. standard resistor
A. 4 B. 3½ C. 2½ D. 2 Correct Answer: Option C C. 2½
A. 250ms‾¹ B. 625ms‾¹ C. 1200ms‾¹ D. 1500ms‾¹ Correct Answer: Option C Explanation The fundamental frequency (f0) = v/2l f0=150Hz;…
A. doubled B. quartered C. halved D. quadrupled Correct Answer: Option B B. quartered Explanation Given K1 = mv²/2. When…
A. increases B. decreases C. remain the same D. decreases and later increases Correct Answer: Option B B. decreases Explanation…
A. 50V B. 100V C. 200V D. 400V Correct Answer: Option C Explanation The ideal transformer (either step-up or step-down)…