Current Electricity If the efficiency of a machine is to be high, what should be low? Input power Losses kWh consumed True component of power Input power Losses kWh consumed True component of power 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 Increases None of these Remains same Decreases Increases None of these Remains same ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The minimum charge on an ion is Equal to the charge of an electron Equal to the atomic number of the atom Equal to the charge of the number of electrons in an atom (#) zero None of these Equal to the charge of an electron Equal to the atomic number of the atom Equal to the charge of the number of electrons in an atom (#) zero None of these 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
Current Electricity Ohm's law is not applicable to Dc circuits High currents Semi-conductors Small resistors Dc circuits High currents Semi-conductors Small resistors ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Electric current is a Vector quantity Number only Sometimes scalar and sometimes vector Scalar quantity Vector quantity Number only Sometimes scalar and sometimes vector Scalar quantity ANSWER DOWNLOAD EXAMIANS APP
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