Current Electricity The resistance of human body is about 1000 ohm 200 ohm 25 ohm 10 ohm 1000 ohm 200 ohm 25 ohm 10 ohm ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In which of the following substances the resistance decreases with increase in temperature? Carbon Constantan Copper Silver Carbon Constantan Copper Silver ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of a straight conductor is independent of Cross-sectional area Temperature Material Shape of cross-section Cross-sectional area Temperature Material Shape of cross-section ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A resistance having rating 10 ohms , 10 W is likely to be a Wire wound resistor Metallic resistor Carbon resistor Variable resistor Wire wound resistor Metallic resistor Carbon resistor Variable resistor ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Three resistance of 10 ohms, 15 ohms, and 30 ohm are connected in parallel. The total resistance of the combination is 15 ohms 55 ohms 5 ohms 10 ohms 15 ohms 55 ohms 5 ohms 10 ohms ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In an electric kettle water boils in 10 m minutes. It is required to boil the boiler in 15 minutes, using same supply mains Length of heating element should be decreased Length of heating element has no effect on heating if water None of these Length of heating element should be increased Length of heating element should be decreased Length of heating element has no effect on heating if water None of these Length of heating element should be increased ANSWER DOWNLOAD EXAMIANS APP
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