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 Specific resistance of a substance is measured in None of the listed here m/Ω Ω/m Ω-m None of the listed here m/Ω Ω/m Ω-m ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Sparking occurs when a load is switched off because the circuit has high Impedance Inductance Capacitance Resistance Impedance Inductance Capacitance Resistance ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Two lamps 100 W and 40 W are connected in series across 230 V (alternating). Which of the following statement is correct? Both lamps will glow equally bright 40 W lamp will glow brighter 100 W lamp will glow brighter 40 W lamp will fuse Both lamps will glow equally bright 40 W lamp will glow brighter 100 W lamp will glow brighter 40 W lamp will fuse ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Ohm's law is not applicable to Circuits with low current densities Vaccum tubes High voltage circuits Carbon resistors Circuits with low current densities Vaccum tubes High voltage circuits Carbon resistors 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 Semiconductors Variable resistors Varistors Thermistor Semiconductors Variable resistors Varistors ANSWER DOWNLOAD EXAMIANS APP
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