Electro Magnetic Induction And Alternating Currents Question 35

Question: An e.m.f. E=4cos(1000t) volt is applied to an LR-circuit of inductance 3 mH and resistance 4 ohms. The amplitude of current in the circuit is [MP PMT 1997]

Options:

A) 47A

B) 1.0 A

C) 47A

D) 0.8 A

Show Answer

Answer:

Correct Answer: D

Solution:

i=VZ=442+(1000×3×103)2=0.8A



जेईई के लिए मॉक टेस्ट

एनसीईआरटी अध्याय वीडियो समाधान

दोहरा फलक