Current Electricity The hot wire of electric bulb's filament is higher than its cold resistance because the temperature co-efficient of filament is Zero Positive None of the listed here Negative Zero Positive None of the listed here Negative ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Two resistances Rl and Ri are connected in series across the voltage source where Rl > Ri. The largest drop will be across Rl None of them Either Rl or Ri Ri Rl None of them Either Rl or Ri Ri ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Insulators have _______ temperature co-efficient of resistance. Negative None of the listed here Positive Zero Negative None of the listed here Positive Zero ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In a lamp load when more than one lamp are switched on the total resistance of the load Decreases Remains same Increases None of these Decreases Remains same Increases None of these ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Whether circuit may be AC. or D.C. one, following is most effective in reducing the magnitude of the current. Capacitor Inductor Reactor Resistor Capacitor Inductor Reactor Resistor ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Electric pressure is also called Energy Resistance Power Voltage Energy Resistance Power Voltage ANSWER DOWNLOAD EXAMIANS APP