The capacities of three capacitors are in the ratio 4 : 3 : 2. Their equivalent capacity when connected in parallel is 105/13 µF more than that when connected in series. The individual capacitors are of values in µF as

Question:

Options :

(a) 4,3,2
(b) 8,6,4
(c) 3,2,1
(d) 16,12,8

Answer :

(a) 4,3,2

Answer Steps :

step 1

step 2

step 3

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An alternating voltage source is connected in series with a resistance R and an inductance L. If the potential drop across the resistance is 200 V and across the inductance is 150 V, then the applied voltage is:

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An alternating voltage source is connected in series with a resistance R and an inductance L. If the potential drop across the resistance is 200 V and across the inductance is 150 V, then the applied voltage is:

In an a. c. circuit the instantaneous current and e.m.f. are represented as: I = I0 sin(ωt – π/6) and E = E0 sin(ωt + π /3) respectively. The voltage leads the current by

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