Electric Circuits Two wires of A and B of the same material and length ‘l’ and ‘2l’ have radius ‘r’ and ‘2r’ respectively. The ratio of their specific resistance will be 1:2. 1:8. 1:1. 4:1. 1:2. 1:8. 1:1. 4:1. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is the mass number of an element that has 19 protons, 19 electrons, and 20 neutrons? 19. 39. 20. 38. 19. 39. 20. 38. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The maximum current rating for a 10 k Ω, 0.5 W resistor is 7.07 mA. 28.28 mA. 14.14 mA. 0.707 mA. 7.07 mA. 28.28 mA. 14.14 mA. 0.707 mA. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following materials has highest electrical conductivity ? Silver. Aluminium. Steel. Copper. Silver. Aluminium. Steel. Copper. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In a lead acid cell PbSO4 formed during discharging only. charging only. both during charging as well as discharging. neither during charging nor discharging. discharging only. charging only. both during charging as well as discharging. neither during charging nor discharging. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Poorest conductor of electricity is Carbon. Aluminium. Silver. Steel. Carbon. Aluminium. Silver. Steel. ANSWER DOWNLOAD EXAMIANS APP
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