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 2R Ω 4R Ω 8R Ω R Ω 2R Ω 4R Ω 8R Ω ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If emf in a given circuit is given by e = 100 sinω0t, then maximum value of voltage and frequency will be 100√2 V, 100 Hz. 100 V, 100 Hz. 100 V, 50 Hz. 50√2 V, 100 Hz. 100√2 V, 100 Hz. 100 V, 100 Hz. 100 V, 50 Hz. 50√2 V, 100 Hz. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Under resonance condition the phase angle between voltage phase and current phase is - 90° 0° 45° 90° - 90° 0° 45° 90° ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In given figure, the value of resistance R in Ω is 1 Ω 3.5 Ω 2.5 Ω 4.5 Ω 1 Ω 3.5 Ω 2.5 Ω 4.5 Ω ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Active materials of a lead acid cell are lead peroxide. spongy lead. all of above. dilute H2SO4. lead peroxide. spongy lead. all of above. dilute H2SO4. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The electrical conductivity of metal is typically of the order of (in ohm - m) 105. 10 - 6. 107. 10 - 4. 105. 10 - 6. 107. 10 - 4. ANSWER DOWNLOAD EXAMIANS APP