A group of N cells whose emf varies directly with the internal resistance as per the equation EN = 1.5 rn are connected as shown in the figure below. The current I in the circuit is

Question:

Options :

a)0.51 amp
b)5.1 amp
c)0.15 amp
d) 1.15amp

Answer :

d) 1.15amp

Answer Steps :

Step:-1

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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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