For what value of r in circuit current through 4 ohm resistance is zero
Answers
Answered by
2
Potential difference across the 4ohm4ohm resistor is zero ⇒⇒ potential difference across
2ohm2ohm resistor is 4V4V and across RR will −2V−2V.
The current through the 2 ohm resistor is 2A.
The KVL equation for the big loop is
10 - 2i -iR - 4 = 0
On solving the KVLKVL equations, we get R=1ohmR=1ohm.
Ans : (A)
2ohm2ohm resistor is 4V4V and across RR will −2V−2V.
The current through the 2 ohm resistor is 2A.
The KVL equation for the big loop is
10 - 2i -iR - 4 = 0
On solving the KVLKVL equations, we get R=1ohmR=1ohm.
Ans : (A)
Similar questions