Current Electricity The resistance of a conductor varies inversely as Resistivity Temperature Are of cross-section Length Resistivity Temperature Are of cross-section Length ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Whether circuit may be AC. or D.C. one, following is most effective in reducing the magnitude of the current. Resistor Capacitor Reactor Inductor Resistor Capacitor Reactor Inductor ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A light bulb draws 300 mA when the voltage across it is 240 V. The resistance of the light bulb is 800 Ω 600 Ω 1000 Ω 400 Ω 800 Ω 600 Ω 1000 Ω 400 Ω ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A 3 Q resistor having 2 A current will dissipate the power of 2 watts 4 watts 8 watts 6 watts 2 watts 4 watts 8 watts 6 watts ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The substances which have a large number of free electrons and offer a low resistance are called Inductors Semi-conductors Insulators Conductors Inductors Semi-conductors Insulators Conductors ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Ohm's law is not applicable to High currents Dc circuits Semi-conductors Small resistors High currents Dc circuits Semi-conductors Small resistors ANSWER DOWNLOAD EXAMIANS APP
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