Current Electricity Specific resistance of a substance is measured in Ω-m Ω/m None of the listed here m/Ω Ω-m Ω/m None of the listed here m/Ω ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Current velocity through a copper conductor is independent of current strength of the order of a few ^.s/m the same as propagation velocity of electric energy nearly 3 x 108 m/s independent of current strength of the order of a few ^.s/m the same as propagation velocity of electric energy nearly 3 x 108 m/s ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Eureka has _______ temperature co-efficient of resistance. Almost zero Positive None of the listed here Negative Almost zero Positive None of the listed here Negative ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A thermistor has Variable temperature coefficient Zero temperature coefficient Positive temperature coefficient Negative temperature coefficient Variable temperature coefficient Zero temperature coefficient Positive temperature coefficient Negative temperature coefficient ANSWER DOWNLOAD EXAMIANS APP
Current Electricity When one lag of parallel circuit is opened out the total current will Become zero None of the listed here Decreases Increases Become zero None of the listed here Decreases Increases 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 10 Ω, 20 Ω 5 Ω, 10 Ω 20 Ω, 30 Ω 10 Ω, 15 Ω 10 Ω, 20 Ω 5 Ω, 10 Ω 20 Ω, 30 Ω ANSWER DOWNLOAD EXAMIANS APP
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