Current Electricity An open resistor, when checked with an ohmmeter reads Low but not zero High but within tolerance Infinite Zero Low but not zero High but within tolerance Infinite Zero 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 Electric current is a Vector quantity Sometimes scalar and sometimes vector Scalar quantity Number only Vector quantity Sometimes scalar and sometimes vector Scalar quantity Number only ANSWER DOWNLOAD EXAMIANS APP
Current Electricity An electrical lamp coonsumes 100 W of power. If the supply voltage is 220 V the energy consumed in 30 minutes is 0.005 kWh 0.05 kWh 5 kWh 5 kWh 0.005 kWh 0.05 kWh 5 kWh 5 kWh ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The electrical energy required to heat a bucket of water to a certain temperature is 4 kWh. If the heat losses are 20 percent, the energy input is 5 kWh 6 kWh 3.2 kWh 2 kWh 5 kWh 6 kWh 3.2 kWh 2 kWh ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The rating of a fuse wire is always expressed in kWh Ampere-volts Ampere-hours Amperes kWh Ampere-volts Ampere-hours Amperes ANSWER DOWNLOAD EXAMIANS APP
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