Current Electricity A closed switch has a resistance of About 50 ohms Zero Infinity About 500 ohms About 50 ohms Zero Infinity About 500 ohms ANSWER DOWNLOAD EXAMIANS APP
Current Electricity At 0 K, germanium behaves as A ferromagnetic substance A conductor A superconductor An insulator A ferromagnetic substance A conductor A superconductor An insulator 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 1000 Ω 400 Ω 600 Ω 800 Ω 1000 Ω 400 Ω 600 Ω ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following material has nearly zero temperature co-efficient of resistance? Porcelain Manganin Carbon Copper Porcelain Manganin Carbon Copper ANSWER DOWNLOAD EXAMIANS APP
Current Electricity E. M. F. In a circuit Increases circuit resistance Maintains potential difference Decrease circuit resistance None of the listed here Increases circuit resistance Maintains potential difference Decrease circuit resistance None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Current Electricity All of the following are equivalent to watt except (Amperes) ohm Amperes × volts Joules/sec. Amperes/volt (Amperes) ohm Amperes × volts Joules/sec. Amperes/volt ANSWER DOWNLOAD EXAMIANS APP
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