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Physics
The nucleus of an atom contains:
A
Electrons only
B
Protons and neutrons
C
Neutrons and electrons
D
Protons and electrons
Correct Answer
B
Physics
The SI unit of magnetic field strength (magnetic flux density) is:
A
Weber
B
Henry
C
Tesla
D
Guass
Correct Answer
C
Physics
Which device converts electrical energy into mechanical energy
A
Generator
B
Transformer
C
Motor
D
Battery
Correct Answer
C
Physics
A generator converts:
A
Electrical energy into mechanical energy
B
Mechanical energy into electrical energy
C
Heat into light
D
Chemical energy into heat
Correct Answer
B
Physics
Ohm's law is represented by:
A
V = IR
B
P = VI
C
F = ma
D
T V
Correct Answer
A
Physics
Einstein's famous equation is:
A
F = ma
B
V = IR
C
E = mcยฒ
D
P = VI
Correct Answer
C
Physics
The unit of electric charge is:
A
Ampere
B
Coulomb
C
Ohm
D
Volt
Correct Answer
B
Physics
Which electromagnetic wave has the highest frequency?
A
Radio waves
B
Microwaves
C
Gamma rays
D
X-rays
Correct Answer
C
Physics
Einstein's famous equation is:
A
F = ma
B
V = IR
C
E = mc
D
P = VI
Correct Answer
C
Physics
A computer program that translates one program instructions at a time into machine language is called?
A
Interpreter
B
Compiler
C
CPU
D
None of these
Correct Answer
A