Current Electricity If a wire conductor of 0.2 ohm resistance is doubled in length, its resistance becomes 0.8 ohm 0.6 ohm 0.4 ohm 1.0 ohm 0.8 ohm 0.6 ohm 0.4 ohm 1.0 ohm ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Out of the following which is not a poor conductor? Tungsten Copper Carbon Cast iron Tungsten Copper Carbon Cast iron ANSWER DOWNLOAD EXAMIANS APP
Current Electricity No current flow between two charged bodies if they have same Charge Capacity None of the listed here Potential Charge Capacity None of the listed here Potential ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The hot resistance of the bulb's filament is higher than its cold resistance because the temperature coefficient of the filament is About 2 ohms per degree Positive Zero Negative About 2 ohms per degree Positive Zero Negative ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In an electric kettle water boils in 10 m minutes. It is required to boil the boiler in 15 minutes, using same supply mains Length of heating element has no effect on heating if water Length of heating element should be increased Length of heating element should be decreased None of these Length of heating element has no effect on heating if water Length of heating element should be increased Length of heating element should be decreased None of these ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The minimum charge on an ion is None of these Equal to the atomic number of the atom Equal to the charge of an electron Equal to the charge of the number of electrons in an atom (#) zero None of these Equal to the atomic number of the atom Equal to the charge of an electron Equal to the charge of the number of electrons in an atom (#) zero ANSWER DOWNLOAD EXAMIANS APP
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