Current Electricity Ohm's law is not applicable to Semi-conductors Dc circuits Small resistors High currents Semi-conductors Dc circuits Small resistors High currents ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The specific resistance of a metallic conductor ______ with rise in temperature. None of the listed here Remains unchanged Decreases Increases None of the listed here Remains unchanged Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The example of non-ohmic resistance is Copper wire Aluminium wire Carbon resistance tungsten wire Copper wire Aluminium wire Carbon resistance tungsten wire ANSWER DOWNLOAD EXAMIANS APP
Current Electricity With three resistances connected in parallel, if each dissipates 20 W the total power supplied by the voltage source equals 60 W 20 W 40 W 10 W 60 W 20 W 40 W 10 W ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In a lamp load when more than one lamp are switched on the total resistance of the load Remains same Increases Decreases None of these Remains same Increases Decreases None of these ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A copper wire has a resistance of 10 Ω. It is stretched by one-tenth of its original length. Then its resistance will be 9 Ω 11 Ω 12.1 Ω 10 Ω 9 Ω 11 Ω 12.1 Ω 10 Ω ANSWER DOWNLOAD EXAMIANS APP
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