Current Electricity In which of the following substances the resistance decreases with increase in temperature? Silver Carbon Constantan Copper Silver Carbon Constantan Copper ANSWER DOWNLOAD EXAMIANS APP
Current Electricity For which of the following 'ampere second' could be the unit? Charge Energy Reluctance Power Charge Energy Reluctance Power ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following is the best conductor of electricity? Gold Zinc Silver Copper Gold Zinc Silver Copper ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A 3 Q resistor having 2 A current will dissipate the power of 8 watts 2 watts 6 watts 4 watts 8 watts 2 watts 6 watts 4 watts 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 Remain constant Decrease Increase None of these Remain constant Decrease Increase None of these ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A 40 W bulb is connected in series with a room heater. If now 40 W bulb is replaced by 100 W bulb, the heater output will Remains same Decreases Heater will burn out Increases Remains same Decreases Heater will burn out Increases ANSWER DOWNLOAD EXAMIANS APP