Ohm's Law

What is the resistor value in the given circuit?

A 200

B 1 k

C 2 k

D 4 k

ANS:C - 2 k

V = 26v and I =13mA.
v = i*r .
26= 13/1000* r,
26000/13=r,
2000 = r,
2 k ohm = r,
r = 2 k Ω.

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