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 11 Ω 9 Ω 12.1 Ω 10 Ω 11 Ω 9 Ω 12.1 Ω ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Voltage dependent resistors are usually made from Nichrome Silicon carbide Graphite Charcoal Nichrome Silicon carbide Graphite Charcoal 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 3.2 kWh 2 kWh 6 kWh 5 kWh 3.2 kWh 2 kWh 6 kWh ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Conductance is reciprocal of Resistance Capacitance Reluctance Inductance Resistance Capacitance Reluctance Inductance ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In the case of direct current Magnitude of current changes with time Magnitude of current remains constant Magnitude and direction of current remains constant Magnitude and direction of current changes with time Magnitude of current changes with time Magnitude of current remains constant Magnitude and direction of current remains constant Magnitude and direction of current changes with time ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A thermistor has Zero temperature coefficient Negative temperature coefficient Positive temperature coefficient Variable temperature coefficient Zero temperature coefficient Negative temperature coefficient Positive temperature coefficient Variable temperature coefficient ANSWER DOWNLOAD EXAMIANS APP
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