Current Electricity A closed switch has a resistance of About 50 ohms About 500 ohms Infinity Zero About 50 ohms About 500 ohms Infinity Zero ANSWER DOWNLOAD EXAMIANS APP
Current Electricity International ohm is defined in terms of the resistance of A cube of carbon The unit length of wire A cube of copper A column of mercury A cube of carbon The unit length of wire A cube of copper A column of mercury ANSWER DOWNLOAD EXAMIANS APP
Current Electricity At 0 K, germanium behaves as A ferromagnetic substance A conductor An insulator A superconductor A ferromagnetic substance A conductor An insulator A superconductor ANSWER DOWNLOAD EXAMIANS APP
Current Electricity When one lag of parallel circuit is opened out the total current will None of the listed here Increases Decreases Become zero None of the listed here Increases Decreases Become zero 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 400 Ω 800 Ω 1000 Ω 600 Ω 400 Ω 800 Ω 1000 Ω 600 Ω ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The current in the circuit having constant resistance is tripled. The power increases 1/3 times 9 times 3 times 1/9 times 1/3 times 9 times 3 times 1/9 times ANSWER DOWNLOAD EXAMIANS APP
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