Current Electricity The rating of a fuse wire is always expressed in Ampere-hours kWh Ampere-volts Amperes Ampere-hours kWh Ampere-volts Amperes ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In which of the following substances the resistance decreases with increase in temperature? Silver Carbon Copper Constantan Silver Carbon Copper Constantan ANSWER DOWNLOAD EXAMIANS APP
Current Electricity If the efficiency of a machine is to be high, what should be low? kWh consumed Losses True component of power Input power kWh consumed Losses True component of power Input power ANSWER DOWNLOAD EXAMIANS APP
Current Electricity For testing appliances, the wattage of test lamp should be High Very low Any value Low High Very low Any value 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 11 Ω 9 Ω 10 Ω 12.1 Ω 11 Ω 9 Ω 10 Ω 12.1 Ω ANSWER DOWNLOAD EXAMIANS APP
Current Electricity When resistance element of a heater fuses and then we reconnect it after removing a portion of it, the power of the heater will Decrease Increase None of these Remain constant Decrease Increase None of these Remain constant ANSWER DOWNLOAD EXAMIANS APP
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