Current Electricity An instrument which detects electric current is known as Wattmeter Galvanometer Rheostat Voltmeter Wattmeter Galvanometer Rheostat Voltmeter ANSWER DOWNLOAD EXAMIANS APP
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 12.1 Ω 9 Ω 11 Ω 10 Ω 12.1 Ω 9 Ω 11 Ω ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The insulation on a current carrying conductor is provided None of above factors Both of the listed here To prevent shock To prevent leakage of current None of above factors Both of the listed here To prevent shock To prevent leakage of current ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of a straight conductor is independent of Cross-sectional area Material Shape of cross-section Temperature Cross-sectional area Material Shape of cross-section Temperature ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following is the best material for making connecting wires? Copper Manganin Nichrome Constant Copper Manganin Nichrome Constant 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 Decreases Remains same Increases Heater will burn out Decreases Remains same Increases Heater will burn out ANSWER DOWNLOAD EXAMIANS APP
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