Current Electricity In a circuit a 33 Q resistor carries a current of 2 A. The voltage across the resistor is 80 V 33 V 132 V 66 V 80 V 33 V 132 V 66 V 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. Thermistor Variable resistors Semiconductors Varistors Thermistor Variable resistors Semiconductors Varistors ANSWER DOWNLOAD EXAMIANS APP
Current Electricity When current flows through heater coil it glows but supply wiring does not glow because Supply wiring is covered with insulation layer Resistance of heater coil is more than the supply wires Supply wires are made of superior material Current through supply line flows at slower speed Supply wiring is covered with insulation layer Resistance of heater coil is more than the supply wires Supply wires are made of superior material Current through supply line flows at slower speed ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Specific resistance of a substance is measured in m/Ω Ω/m None of the listed here Ω-m m/Ω Ω/m None of the listed here Ω-m ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Varistors are Carbon resistors Resistor with zero temperature co-efficient Insulators Non-linear resistors Carbon resistors Resistor with zero temperature co-efficient Insulators Non-linear resistors ANSWER DOWNLOAD EXAMIANS APP
Current Electricity For testing appliances, the wattage of test lamp should be Very low High Low Any value Very low High Low Any value ANSWER DOWNLOAD EXAMIANS APP
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