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Standard XII
Physics
Alternating Current Applied to an Inductor
17. A-The qua...
Question
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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Q.
Assertion
(
A
)
: The quantity
(
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
(
L
R
)
.
Q.
Given below are two statements, Assertion
(
A
)
and Reason
(
R
)
.
Assertion
(
A
)
: The quantity
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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