Current Electricity If an electric current is passed through a nerve, the man Begins to weep Begins to laugh Becomes insensitive to pain Is excited Begins to weep Begins to laugh Becomes insensitive to pain Is excited 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 Current through supply line flows at slower speed Resistance of heater coil is more than the supply wires Supply wires are made of superior material Supply wiring is covered with insulation layer Current through supply line flows at slower speed Resistance of heater coil is more than the supply wires Supply wires are made of superior material 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 None of these Decreases Increases Remains same None of these Decreases ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of a copper wire 200 m long is 21 ω. If its thickness (diameter) is 0.44 mm, its specific resistance is around 1.8 x 10-8 ω-m 1.2 x 10-8 ω-m 1.6 x 10-8 ω-m 1.4 x 10-8 ω-m 1.8 x 10-8 ω-m 1.2 x 10-8 ω-m 1.6 x 10-8 ω-m 1.4 x 10-8 ω-m ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Electric current passing through the circuit produces Magnetic effect Luminous effect Chemical effect Thermal effect Magnetic effect Luminous effect Chemical effect Thermal effect 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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