10th Class Physics MCQS
The presence of fish by the other fish can be detected by:
Gravitational field
Magnetic field
All of above
Electric field
which is a major cause of fires and explosions at many places:
static electricity
match sticks
magnetism
bombs
An example of input device of computer is.
Monitor
Key board
RAM
Printer
A parallel circuit is also used as a divider for:
Power
Voltage
Resistance
Current
The substances which do not have free electrons are called:
None of these
Insulators
Conductors
Semiconductors
Which statement of the following is false for primary memory?
It gets lost when computer switches off
It is built on laser technology
This is a random access memory
The base of primary memory is electronics
Which is the best material for making connecting wires:
Copper
Nickel
Tungsten
Iron
The brain of any computer system is:
Memory
C.U
CUP
Monitor
Which is the most suitable means of reliable continuous communication between an orbiting satellite and Earth?
Microwaves
any light waves
Radio waves
Sound wave
Which is the unit of energy:
KWh
All of above
Joule
Electron volt
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