Current Electricity If a wire conductor of 0.2 ohm resistance is doubled in length, its resistance becomes 0.4 ohm 1.0 ohm 0.6 ohm 0.8 ohm 0.4 ohm 1.0 ohm 0.6 ohm 0.8 ohm ANSWER DOWNLOAD EXAMIANS APP
Current Electricity When resistance element of a heater fuses and then we reconnect it after removing a portion of it, the power of the heater will Increase Remain constant Decrease None of these Increase Remain constant Decrease None of these 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 1.6 x 10-8 ω-m 1.4 x 10-8 ω-m 1.2 x 10-8 ω-m 1.8 x 10-8 ω-m 1.6 x 10-8 ω-m 1.4 x 10-8 ω-m 1.2 x 10-8 ω-m ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The minimum charge on an ion is Equal to the charge of an electron Equal to the charge of the number of electrons in an atom (#) zero Equal to the atomic number of the atom None of these Equal to the charge of an electron Equal to the charge of the number of electrons in an atom (#) zero Equal to the atomic number of the atom None of these ANSWER DOWNLOAD EXAMIANS APP
Current Electricity One Newton meter is same as Five joules One watt One joule One joule second Five joules One watt One joule One joule second ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Sparking occurs when a load is switched off because the circuit has high Capacitance Resistance Inductance Impedance Capacitance Resistance Inductance Impedance ANSWER DOWNLOAD EXAMIANS APP
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