Electric Circuits
The time required for a pulse to change from 10 % to 90 % of its maximum value is known as

 rise time.
 fall time.
 run time.
 decay time.

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Electric Circuits
A pole of driving point impedance is

 zero current for a finite value of driving current.
 zero voltage for a finite value of driving current.
 zero current for a finite value of driving voltage.
 zero voltage for a finite value of driving voltage.

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Electric Circuits
What is called a cycle in case of AC operation ?

 Option A and C both.
  When ac goes through a complete (+)ve to (-)ve, is called a cycle.
 When ac completes the (+)ve half, is called a cycle.
 When an alternating quantity completes the (–)ve cycle, is called a cycle.

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