Current Electricity Are the materials having electrical conductivity much less than most of the metals but much greater than that of typical insulators. Semiconductors Varistors Variable resistors Thermistor Semiconductors Varistors Variable resistors Thermistor ANSWER DOWNLOAD EXAMIANS APP
Current Electricity When one lag of parallel circuit is opened out the total current will Decreases None of the listed here Become zero Increases Decreases None of the listed here Become zero Increases ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following is the best conductor of electricity? Gold Copper Zinc Silver Gold Copper Zinc Silver ANSWER DOWNLOAD EXAMIANS APP
Current Electricity With rise in temperature the resistance of pure metals Increases Decreases Remains constant First increases and then decreases Increases Decreases Remains constant First increases and then decreases ANSWER DOWNLOAD EXAMIANS APP
Current Electricity If a wire conductor of 0.2 ohm resistance is doubled in length, its resistance becomes 0.8 ohm 1.0 ohm 0.4 ohm 0.6 ohm 0.8 ohm 1.0 ohm 0.4 ohm 0.6 ohm 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? 48 Q 36 Q 64 Q 18 Q 48 Q 36 Q 64 Q 18 Q ANSWER DOWNLOAD EXAMIANS APP
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