Current Electricity Current velocity through a copper conductor is the same as propagation velocity of electric energy independent of current strength nearly 3 x 108 m/s of the order of a few ^.s/m the same as propagation velocity of electric energy independent of current strength nearly 3 x 108 m/s of the order of a few ^.s/m ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A thermistor has Negative temperature coefficient Zero temperature coefficient Positive temperature coefficient Variable temperature coefficient Negative temperature coefficient Zero temperature coefficient Positive temperature coefficient Variable temperature coefficient ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Voltage dependent resistors are used As current stabilizers For inductive circuits As heating elements To suppress surges As current stabilizers For inductive circuits As heating elements To suppress surges 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 6 kWh 2 kWh 5 kWh 3.2 kWh 6 kWh 2 kWh 5 kWh 3.2 kWh ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The insulation on a current carrying conductor is provided Both of the listed here To prevent shock None of above factors To prevent leakage of current Both of the listed here To prevent shock None of above factors To prevent leakage of current ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Sparking occurs when a load is switched off because the circuit has high Inductance Capacitance Resistance Impedance Inductance Capacitance Resistance Impedance ANSWER DOWNLOAD EXAMIANS APP
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