Current Electricity For testing appliances, the wattage of test lamp should be Low Very low High Any value Low Very low High Any value ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of two wires is 25 Ω when connected in series and 6 Ω when joined in parallel. The resistance of each wire is 10 Ω, 15 Ω 5 Ω, 10 Ω 20 Ω, 30 Ω 10 Ω, 20 Ω 10 Ω, 15 Ω 5 Ω, 10 Ω 20 Ω, 30 Ω 10 Ω, 20 Ω ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The substances which have a large number of free electrons and offer a low resistance are called Insulators Inductors Conductors Semi-conductors Insulators Inductors Conductors Semi-conductors ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A copper wire is stretched so that its length is increased by 0.1 % . The change in its resistance is 0.2% None of the listed here 0.3% 0.4% 0.2% None of the listed here 0.3% 0.4% ANSWER DOWNLOAD EXAMIANS APP
Current Electricity An open resistor, when checked with an ohmmeter reads Zero Infinite Low but not zero High but within tolerance Zero Infinite Low but not zero High but within tolerance ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The insulation on a current carrying conductor is provided To prevent shock None of above factors Both of the listed here To prevent leakage of current To prevent shock None of above factors Both of the listed here To prevent leakage of current ANSWER DOWNLOAD EXAMIANS APP
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