A conducting rod of 1 meter length and 1 kg mass is suspended by two vertical wires through its ends. An external magnetic field of 2 Tesla is applied normal to the rod. Now the current to be passed through the rod so as to make the tension in the wires zero is [take g = 10 ms–2] - VgyanHub

Question:

A conducting rod of 1 meter length and 1 kg mass is suspended by two vertical wires through its ends. An external magnetic field of 2 Tesla is applied normal to the rod. Now the current to be passed through the rod so as to make the tension in the wires zero is [take g = 10 ms^–2]

Options :

(a) 0.5 A
(b) 15 A
c) 5 A
(d) 1.5 A

Answer :

c) 5 A

Answer Steps :

step 1:

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