Current Electricity A field of force can exist only between Two molecules Two ions Two atoms Two metal particles Two molecules Two ions Two atoms Two metal particles ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following materials has the least resistivity ? Lead Mercury Zinc Copper Lead Mercury Zinc Copper ANSWER DOWNLOAD EXAMIANS APP
Current Electricity If the efficiency of a machine is to be high, what should be low? kWh consumed Input power True component of power Losses kWh consumed Input power True component of power Losses ANSWER DOWNLOAD EXAMIANS APP
Current Electricity An instrument which detects electric current is known as Galvanometer Voltmeter Rheostat Wattmeter Galvanometer Voltmeter Rheostat Wattmeter 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 Heater will burn out Increases Decreases Remains same Heater will burn out Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A current of 16 amperes divides between two branches in parallel of resistances 8 ohms and 12 ohms respectively. The current in each branch is 6.4 A, 6.9 A 4.6 A, 6.9 A 4.6 A, 9.6 A 6.4 A, 9.6 A 6.4 A, 6.9 A 4.6 A, 6.9 A 4.6 A, 9.6 A 6.4 A, 9.6 A ANSWER DOWNLOAD EXAMIANS APP
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