Electric Circuits
A wire of 0.14 mm diameter and specific resistance 9.6 Ω - cm is 440 cm long. The resistance of the wire will be

 9.6 Ω.
 11.3 Ω.
 27.4 Ω.
 13.7 Ω.

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

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

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