Current Electricity In which of the following substances the resistance decreases with increase in temperature? Carbon Copper Silver Constantan Carbon Copper Silver Constantan 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 5 kWh 6 kWh 3.2 kWh 2 kWh 5 kWh 6 kWh 3.2 kWh 2 kWh ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Resistance of 220 V, 100 W lamp will be 48.4 Q 4840 Q 4.84 Q 484 ft 48.4 Q 4840 Q 4.84 Q 484 ft 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 9 Ω 12.1 Ω 11 Ω 10 Ω 9 Ω 12.1 Ω 11 Ω 10 Ω ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Electric current is a Number only Scalar quantity Vector quantity Sometimes scalar and sometimes vector Number only Scalar quantity Vector quantity Sometimes scalar and sometimes vector ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The rating of a fuse wire is always expressed in Ampere-hours kWh Ampere-volts Amperes Ampere-hours kWh Ampere-volts Amperes ANSWER DOWNLOAD EXAMIANS APP
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