The operation by square of j vector operates on a vector rotates it through an angle
A90°
B180°
C360°
D90°
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Which of the following statements is are true for a number of resistors connected in parallel combination?
- (1) All the resistors are connected between two given points.
- (ii) The equivalent resistance of the circuit is more than the individual resistance.
- (iii) The potential difference across each resistor is same.
Which of the following is not a precision measuring instrument?