For the magnetic field to be maximum due to a small element of a current-carrying conductor at a point, the angle between the element and the line joining the element to the given point must be

Question:

Options :

(a) 0o
(b) 90o
(c) 180o
(d) 45o

Answer :

(b) 90o

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:

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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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