1.

Choose the correct alternative and rewrite the following:(1) 1mA =_______ A(a) 103A(b) 10−3 A(c) 106A(d) 10−6 A(2) To increase the effective resistance in a circuit the resistors are connected in _______(a) series(b) parallel(c) both ways(d) none of these(3) 1 kilowatt hr = _______ Joules(a) 4.6 × 106 Joule(b) 3.6 × 106 Joule(c) 30.6 × 106 Joule(d) 3.6 × 105 Joule(4) If a P. D. of 12 V is applied across a 3Ω resistor, then the current passing through it is _______(a) 36 A(b) 4 A(c) 0.25 A(d) 15 A

Answer»

Choose the correct alternative and rewrite the following:



(1) 1mA =_______ A



(a) 103A



(b) 10−3 A



(c) 106A



(d) 10−6 A



(2) To increase the effective resistance in a circuit the resistors are connected in _______



(a) series



(b) parallel



(c) both ways



(d) none of these



(3) 1 kilowatt hr = _______ Joules



(a) 4.6 × 106 Joule



(b) 3.6 × 106 Joule



(c) 30.6 × 106 Joule



(d) 3.6 × 105 Joule



(4) If a P. D. of 12 V is applied across a 3Ω resistor, then the current passing through it is _______



(a) 36 A



(b) 4 A



(c) 0.25 A



(d) 15 A



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