Current Electricity Resistance of a tungsten lamp _____ as applied voltage increases. None of the listed here Remains same Decreases Increases None of the listed here Remains same Decreases Increases 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 6 kWh 3.2 kWh 2 kWh 5 kWh 6 kWh 3.2 kWh 2 kWh 5 kWh ANSWER DOWNLOAD EXAMIANS APP
Current Electricity With rise in temperature the resistance of pure metals Increases Remains constant First increases and then decreases Decreases Increases Remains constant First increases and then decreases Decreases ANSWER DOWNLOAD EXAMIANS APP
Current Electricity When one lag of parallel circuit is opened out the total current will Become zero Increases Decreases None of the listed here Become zero Increases Decreases None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A 3 Q resistor having 2 A current will dissipate the power of 8 watts 4 watts 6 watts 2 watts 8 watts 4 watts 6 watts 2 watts ANSWER DOWNLOAD EXAMIANS APP
Current Electricity If the number of valence electrons of an atoms is less than 4,the substance is usually A conductor A semiconductor An insulator None of the listed here A conductor A semiconductor An insulator None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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