Current Electricity Specific resistance of a substance is measured in Ω/m None of the listed here Ω-m m/Ω Ω/m None of the listed here Ω-m m/Ω ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of human body is about 10 ohm 1000 ohm 200 ohm 25 ohm 10 ohm 1000 ohm 200 ohm 25 ohm ANSWER DOWNLOAD EXAMIANS APP
Current Electricity All of the following are equivalent to watt except Joules/sec. Amperes × volts (Amperes) ohm Amperes/volt Joules/sec. Amperes × volts (Amperes) ohm Amperes/volt ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following material has nearly zero temperature co-efficient of resistance? Manganin Carbon Porcelain Copper Manganin Carbon Porcelain Copper ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In the case of direct current Magnitude of current remains constant Magnitude and direction of current changes with time Magnitude of current changes with time Magnitude and direction of current remains constant Magnitude of current remains constant Magnitude and direction of current changes with time Magnitude of current changes with time Magnitude and direction of current remains constant ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A 40 W bulb is connected in series with a room heater. If now 40 W bulb is replaced by 100 W bulb, the heater output will Increases Remains same Decreases Heater will burn out Increases Remains same Decreases Heater will burn out ANSWER DOWNLOAD EXAMIANS APP
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