Categories: SSC

Physics MCQ Set – 7

Physics MCQ Set – 7

Dear Sehpaathians,

With Exams for RRB NTPC, SSC and UPSC are nearing we are here with our set of Multiple Choice Questions related to Physics. This set consists of 10 questions and we will be coming up with more sets of the same.

Here is a sample paper sheet of the 5 questions for your practice. Attempt all the questions on our Sehpaathi Test app as well as Do give us a review.

1. When a steady current flows through a conductor, the electrons in it move with certain average speed as—
(a) Accelerated speed
(b) root mean square speed
(c) drift speed
(d) average velocity
2. Which of the following is incorrect about the heat produced in a resistor?
(a) It is directly proportional to the square of the current
(b) directly proportional to resistance for a given current
(c) directly proportional to the time for which the current flows through the resistors
(d) None of these
3. What is the direction of electric current in an electric circuit?
(a) from positive to positive
(b) from negative to positive terminal
(c) from positive to negative
(d) from negative to negative
4. Why is tungsten used exclusively for the filament of an incandescent lamp?
(a) Tungsten can be drawn into thin wires which in turn offer high resistance
(b) Tungsten has a fairly good resistivity
(c) The melting point of tungsten is very high
(d) All of these
5. Which of the following material is used for electric wire heater?
(a) Silver
(b) lead
(c) Nichrome
(d) Copper
sehpaathi

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