Question 21 MarkTwo bulbs of $60 W, 220 V$, when connected in series with a supply voltage of 220 V , light up with maximum intensity.AnswerfalseView full question & answer→
Question 41 MarkElectric charge is measured by using an ammeter.AnswerfalseView full question & answer→
Question 51 MarkFor two wires of the same material and having the same length, the resistance of the thicker wire is less than that of the other wire.AnswertrueView full question & answer→
Question 61 MarkWhen the temperature of a metallic substance increases up to a certain limit, its resistance decreases.AnswerfalseView full question & answer→
Question 81 MarkThe equivalent resistance $\left(R_{ s }\right)$ of a series combination of resistors is given by$\frac{1}{R_s}=\frac{1}{R_1}+\frac{1}{R_2}+\ldots \ldots \ldots .$AnswerfalseView full question & answer→
Question 91 MarkThe current flowing through each resistor is the same when resistors having different resistances are connected in parallel.AnswerfalseView full question & answer→
Question 111 MarkTo measure electric current, an ammeter is connected in series with a resistor.AnswertrueView full question & answer→
Question 121 MarkThe SI unit of electric current is the coulomb.AnswerfalseView full question & answer→
