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 20 Ω, 30 Ω 5 Ω, 10 Ω 10 Ω, 15 Ω 10 Ω, 20 Ω 20 Ω, 30 Ω 5 Ω, 10 Ω 10 Ω, 15 Ω 10 Ω, 20 Ω ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In a lamp load when more than one lamp are switched on the total resistance of the load Decreases None of these Remains same Increases Decreases None of these Remains same Increases ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The specific resistance of a metallic conductor ______ with rise in temperature. Remains unchanged None of the listed here Decreases Increases Remains unchanged None of the listed here Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Eureka has _______ temperature co-efficient of resistance. Positive Almost zero Negative None of the listed here Positive Almost zero Negative None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Constantan wire is used for making starndard resistance because it has High melting point Negligibly small temperature co-efficient of resistance Low specific resistance High specific resistance High melting point Negligibly small temperature co-efficient of resistance Low specific resistance High specific resistance ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Specific resistance of a substance is measured in None of the listed here Ω/m Ω-m m/Ω None of the listed here Ω/m Ω-m m/Ω ANSWER DOWNLOAD EXAMIANS APP
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