Electric Circuits Two resistors R1 and R2 give combined resistance of 4.5 Ohm when connected in series and 1 Ohm when in parallel, the resistances are 2.2 Ohm and 2.3 Ohm. 1.5 Ohm and 3 Ohm. 1.25 Ohm and 3.25 Ohm. 2 Ohm and 2.5 Ohm. 2.2 Ohm and 2.3 Ohm. 1.5 Ohm and 3 Ohm. 1.25 Ohm and 3.25 Ohm. 2 Ohm and 2.5 Ohm. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The resistance of a conductor of diameter d and length l is R Ω. If the diameter of the conductor is halved and its length is doubled, the resistance will be R Ω 8R Ω 4R Ω 2R Ω R Ω 8R Ω 4R Ω 2R Ω ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Power factor can be defined as both option B and C. ratio of resistance versus impedance. cosine of angle between voltage and current. sine of voltage and current. both option B and C. ratio of resistance versus impedance. cosine of angle between voltage and current. sine of voltage and current. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits When the internal resistance of a cell is large compared to the external resistance in the circuit then high current can flow through the external resistance by grouping the cells in parallel. mixed. as in series. in either series or parallel. in parallel. mixed. as in series. in either series or parallel. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The value of unity impulse function at time (t) = 0 is 1. 0. indeterminate. infinite. 1. 0. indeterminate. infinite. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits For the resonance circuit ω0 = 105, Q = 50, R = 400 Ω the value of C is 500 pF. 250 pF. 125 pF. 1000 pF. 500 pF. 250 pF. 125 pF. 1000 pF. ANSWER DOWNLOAD EXAMIANS APP
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