A. 3Ω
B. 6Ω
C. 4Ω
D. 5Ω

Correct Answer:

Option B = 6Ω

Explanation

RT = V/I=12/2 = 6Ω

RT = 3 + R×6/R+6

R = 6Ω

 

SEE ALSO  A charge 50 µc has electric field strength of 360 NC‾¹ at a certain point. The electric field strength due to another charge 120 µc kept at the same distance apart and in the same medium is?

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