10th Class Physics MCQS
If a dielectric medium is present between two point charges them electrostatic force will be:
Decreased
Vanishes
Remain same
Increased
The example of magnetic disk is:
Floppy disk
Compact disk
Audio cassette
Video cassette
Which is not a hardware device?
CPU
Keyboard
Windows
Mouse
Which waves of the following has highest frequency?
Micro waves
Sound wave
Radio waves
Light wave
Power of electric heater is:
50W
4750W
100W
1500W
the insulator between the plates of capacitor is called:
capacitance
permittivity
resistivity
dielectric
The basic operations performed by a computer are.
both a and c
logical operation
non arithmetic operations
arithmetic operations
Which of the following reasons increase the importance of computer?
Quick decision
All of these
Speedy
Long time storage of memory
electroscope can also be charges by the process of:
conduction
electricity
electrostatics
convection
Nichrome wire is an alloy of:
Silver and copper
Nickel and chromium
Lead and zinc
Iron and copper
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