Question

PHYSICS TEST PAPER
STD:10. Marks:20
1)Fill in the blanks
a)Filament: Tungsten
Heating coil:-------------
b) Frequency: Hertz
Power:------------
c)Bulb: Electrical energy to light energy
Generator: ------------- (3)
2)What is the use of safety fuse in an electric circuit? Write two properties of fuse wire? (4)
3) Calculate the amount of heat energy produced when 2 A current flows through 300 ohm resistor for 3 minutes ? (3)
4) Two resistors of 6 ohm
and 3 ohm are connected in parallel and 10 V potential difference is applied.Calculate the current formed? (3)
5) What's the working principle of Generator? Explain?Draw the graph of current obtained from AC generator. (3)
6) Write the important parts of an electric motor?Explain the working principle of electric motor? (4)​

Answer 1

Answer:

Its not for copying exam it is for learning on your own and answering plss remember this

Answer 2

Answer:

yes u should do it all by urself