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Alternating Current Applied to an Inductor

17. A-The qua...

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17. A-The quantity L/R possesses dimension of time R-to reduce the rate of increase of current through a solenoid we should increase the time constant

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(A)

(\frac{L}{R})

possesses dimension of time.

Reason

(R)

: To reduce the rate of increase of current through a solenoid, we should increase the time constant

(\frac{L}{R})

.

Q. Given below are two statements, Assertion

(A)

(R)

(A)

L / R

possesses the dimension of time.

Reason

(R)

: To reduce the rate of increase of current through a solenoid, time constant

(L / R)

should be increased.

Based on these statements, the correct answer is -

Q. When the current through a solenoid increases at a constant rate, the induced current

Q. Area of a long solenoid is doubled.So how many times we have to increase its length to keep its self inductance constant-

Q. A constant current i is maintained in a solenoid. Which of the following quantities will increase if an iron rod is inserted in the solenoid along its axis?

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