Electric Circuits
Two 1 kΩ, 1 W resistors are connected in series. Their combine resistance and wattage will be

 2 kΩ, 0.5 W.
 1 kΩ, 1 W.
 2 kΩ, 1 W.
 0.5 kΩ, 2 W.

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

 When an alternating quantity completes the (–)ve cycle, is called a cycle.
 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.

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