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 either series or parallel. mixed. as in series. in parallel. in either series or parallel. mixed. as in series. in parallel. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Active materials of a lead acid cell are lead peroxide. all of above. dilute H2SO4. spongy lead. lead peroxide. all of above. dilute H2SO4. spongy lead. 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 4R Ω 8R Ω 2R Ω R Ω 4R Ω 8R Ω 2R Ω R Ω ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In above question, determine the current if E = 100 V, R = 20Ω, R1 = 10 Ω and L = 2 H at 0.5 sec after short circuit. 6.98. - 6.28. 9.59. - 9.59. 6.98. - 6.28. 9.59. - 9.59. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The resistance of 100 W, 200 V lamp is 200 Ω. 1600 Ω. 400 Ω. 800 Ω. 200 Ω. 1600 Ω. 400 Ω. 800 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 20 μF capacitor and 200 W, 220 V lamp is connected in series across a 220 V alternating supply. In which frequency of the supply the lamp will glow dimmest? 10 Hz. 1 Hz. 100 Hz. 1000 Hz. 10 Hz. 1 Hz. 100 Hz. 1000 Hz. ANSWER DOWNLOAD EXAMIANS APP
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