Current Electricity An instrument which detects electric current is known as Wattmeter Voltmeter Rheostat Galvanometer Wattmeter Voltmeter Rheostat Galvanometer ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of conductor varies inversely as Resistivity Area of cross-section Length Temperature Resistivity Area of cross-section Length Temperature ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Resistance of a tungsten lamp _____ as applied voltage increases. Remains same Increases None of the listed here Decreases Remains same Increases None of the listed here Decreases 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 The resistance of a parallel circuit consisting of two branches is 12 ohms. If the resistance of one branch is 18 ohms, what is the resistance of the other? 18 Q 48 Q 36 Q 64 Q 18 Q 48 Q 36 Q 64 Q ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Conductivity is the reciprocal of None of the listed here Current density Resistivity Resistance None of the listed here Current density Resistivity Resistance ANSWER DOWNLOAD EXAMIANS APP