Current Electricity Electric current passing through the circuit produces Magnetic effect Thermal effect Chemical effect Luminous effect Magnetic effect Thermal effect Chemical effect Luminous effect ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following is the best material for making connecting wires? Nichrome Manganin Copper Constant Nichrome Manganin Copper Constant ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of a straight conductor is independent of Cross-sectional area Shape of cross-section Material Temperature Cross-sectional area Shape of cross-section Material Temperature 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 11 Ω 12.1 Ω 9 Ω 10 Ω 11 Ω 12.1 Ω 9 Ω 10 Ω 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 3.2 kWh 5 kWh 6 kWh 2 kWh 3.2 kWh 5 kWh 6 kWh 2 kWh ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Whether circuit may be AC. or D.C. one, following is most effective in reducing the magnitude of the current. Reactor Inductor Capacitor Resistor Reactor Inductor Capacitor Resistor ANSWER DOWNLOAD EXAMIANS APP