Question

Tiedler
ELKY FETKY SD
3. Write the difference between Uniform motion and Non-uniform motion.
Uniform motion
Non-Uniform motion
4. Write the names of two devices that work on the given basis of work (in first column)
Basis of work
Device 1
Device 2
Heating effect of current
Magnetic effect of current
5. Give the suitable words for the following explanation:
1. The combination of two or more cells is called: -
2. A safety device which prevents damages to electrical circuit: -
3. A device to cut off the electrical circuit, when it is necessary: -
0 N
6. Draw two electric circuit diagrams using a battery, a switch (On/Off condition), an electric bulb with wires.
Switch in off
Switch in on
CE
7. Tuki does not have a night lamp in his room. He covered the bulb in night with a towel to get dim light. Is it
right way? Discuss with your parents and explain on a separate sheet,
8. Last Sunday, Priyanka decided to go outside with her family for the dinner in some particular restaurant.
Then, she thought to go through her own car. So, while moving she increased the speed of the car from
36 km/h to 54 km/h. All of sudden, a rickshaw came in front of her car but due to applying of brakes at the
right time, both of them got safe from meeting with an accident,
(a) Calculate the increase in the speed of the car in the terms of km/h.
(b) Mention a positive action performed by Priyanka here.​

Answer 1

Answer:

when an object covers equal distance in equal interval of time then the motion is said to be uniform and when object covers an equal distance in an equal interval of time then the motion is said to be non uniform motion.

heating effect of electric current- when current flows across the conductor heat is produced this effect of current is known as heating effect of current

5.1 battery

5.2 fuse

5.3 Switch

Explanation:

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