Basics of Physics Worksheet-6

Basics of Physics Worksheet-6

1. What is the direction of current in the following circuit?

(a) Clockwise                                  (b) Counter-Clockwise     

(c) Left to right                              (d) Right to left

2. What is the industrial building where generators produce electricity called?

(a) Generator plant                       (b) Industrial plant

(c) Plant building                          (d) Power plant

3. A wire is connected between negative and positive charges. What will happen to the electric current in the wire if the voltage is increased between those two charges?

(a) It will decrease                       

(b) It will increase

(c) It will stay same                     

(d) It will decrease initially and then increase

4. What kind of heat transfer mechanism is shown in the picture below?

(a) Conduction                               (b) Convection

(c) Radiation                                  (d) Teleportation

5. A light ray is reflected from a mirror as shown in the above picture. What is the value of angle A?

(a) 80º                (b) 90º                (c) 40º                (d) 50º

6. Speaker converts electric current into ___________.

(a) Magnetic force                        (b) Heat

(c) Paper                                         (d) Sound waves

7. Which electromagnetic wave has shorter wavelength and higher frequency than violet color light?

(a) Infrared                                     (b) Ultraviolet

(c) Radio waves                             (d) Microwaves

8. What will happen if you increase the current in an electromagnet?

(a) Its magnetic power will decrease.

(b) Its magnetic power will increase.

(c) Its magnetic power will be the same.

(d) Nothing will happen to the magnetic power.

9. According to Newton's First Law, an object that is moving will ______ if no external forces are applied.

(a) keep slowing down                 (b) keep speeding up

(c) stay stationary                         (d) keep moving

10. A battery stores ______ Energy and converts it into Electrical Energy.

(a) Chemical     (b) Thermal      (c) Magnetic     (d) Current

Answer Key:

(1)–(a); (2)–(d); (3)–(b); (4)–(a); (5)–(c); (6)–(d); (7)–(b); (8)–(b); (9)–(d); (10)–(a)