Current Electricity A closed switch has a resistance of About 50 ohms Infinity About 500 ohms Zero About 50 ohms Infinity About 500 ohms Zero ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of a parallel circuit consisting of two branches is 12 ohms. If the resistance of one branch is 18 ohms, what is the resistance of the other? 18 Q 36 Q 64 Q 48 Q 18 Q 36 Q 64 Q 48 Q ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A copper wire is stretched so that its length is increased by 0.1 % . The change in its resistance is None of the listed here 0.3% 0.2% 0.4% None of the listed here 0.3% 0.2% 0.4% ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Electric current passing through the circuit produces Thermal effect Luminous effect Chemical effect Magnetic effect Thermal effect Luminous effect Chemical effect Magnetic effect ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Out of the following which is not a poor conductor? Carbon Cast iron Tungsten Copper Carbon Cast iron Tungsten Copper ANSWER DOWNLOAD EXAMIANS APP
Current Electricity An instrument which detects electric current is known as Voltmeter Wattmeter Rheostat Galvanometer Voltmeter Wattmeter Rheostat Galvanometer ANSWER DOWNLOAD EXAMIANS APP