Current Electricity Whether circuit may be AC. or D.C. one, following is most effective in reducing the magnitude of the current. Reactor Capacitor Inductor Resistor Reactor Capacitor Inductor Resistor ANSWER DOWNLOAD EXAMIANS APP
Current Electricity With rise in temperature the resistance of pure metals Remains constant First increases and then decreases Decreases Increases Remains constant First increases and then decreases Decreases Increases 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 12.1 Ω 10 Ω 11 Ω 9 Ω 12.1 Ω 10 Ω 11 Ω 9 Ω ANSWER DOWNLOAD EXAMIANS APP
Current Electricity An open resistor, when checked with an ohmmeter reads Low but not zero High but within tolerance Zero Infinite Low but not zero High but within tolerance Zero Infinite ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A wire having very high value of conductance is said to be None of the listed here Very good conductor Moderately good conductor Insulator None of the listed here Very good conductor Moderately good conductor Insulator ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Are the materials having electrical conductivity much less than most of the metals but much greater than that of typical insulators. Variable resistors Thermistor Semiconductors Varistors Variable resistors Thermistor Semiconductors Varistors ANSWER DOWNLOAD EXAMIANS APP
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