Current Electricity A copper wire is stretched so that its length is increased by 0.1 % . The change in its resistance is 0.2% 0.3% None of the listed here 0.4% 0.2% 0.3% None of the listed here 0.4% ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of two wires is 25 Ω when connected in series and 6 Ω when joined in parallel. The resistance of each wire is 20 Ω, 30 Ω 5 Ω, 10 Ω 10 Ω, 15 Ω 10 Ω, 20 Ω 20 Ω, 30 Ω 5 Ω, 10 Ω 10 Ω, 15 Ω 10 Ω, 20 Ω ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In a series circuit with unequal resistances The highest resistance has the most of the current through it The lowest resistance has the highest voltage drop The lowest resistance has the highest current The highest resistance has the highest voltage drop The highest resistance has the most of the current through it The lowest resistance has the highest voltage drop The lowest resistance has the highest current The highest resistance has the highest voltage drop ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A thermistor has Positive temperature coefficient Negative temperature coefficient Zero temperature coefficient Variable temperature coefficient Positive temperature coefficient Negative temperature coefficient Zero temperature coefficient Variable temperature coefficient ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In a lamp load when more than one lamp are switched on the total resistance of the load Increases Remains same Decreases None of these Increases Remains same Decreases None of these 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. Inductor Resistor Reactor Capacitor Inductor Resistor Reactor Capacitor ANSWER DOWNLOAD EXAMIANS APP
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