Current Electricity International ohm is defined in terms of the resistance of A column of mercury The unit length of wire A cube of carbon A cube of copper A column of mercury The unit length of wire A cube of carbon A cube of copper ANSWER DOWNLOAD EXAMIANS APP
Current Electricity For testing appliances, the wattage of test lamp should be High Any value Very low Low High Any value Very low Low 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 10 Ω 9 Ω 11 Ω 12.1 Ω 10 Ω 9 Ω 11 Ω 12.1 Ω ANSWER DOWNLOAD EXAMIANS APP
Current Electricity If a wire conductor of 0.2 ohm resistance is doubled in length, its resistance becomes 0.6 ohm 0.8 ohm 1.0 ohm 0.4 ohm 0.6 ohm 0.8 ohm 1.0 ohm 0.4 ohm ANSWER DOWNLOAD EXAMIANS APP
Current Electricity When one lag of parallel circuit is opened out the total current will Increases Decreases None of the listed here Become zero Increases Decreases None of the listed here Become zero 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 has no effect on heating if water Length of heating element should be increased None of these Length of heating element should be decreased Length of heating element has no effect on heating if water Length of heating element should be increased None of these Length of heating element should be decreased ANSWER DOWNLOAD EXAMIANS APP