Physics Electricity & Magnetism - Practice
13 Questions
1
What is the SI unit of force?
A.
Joule
B.
Newton
C.
Watt
D.
Pascal
2
What is the speed of light in vacuum?
A.
3 × 10⁶ m/s
B.
3 × 10⁸ m/s
C.
3 × 10¹⁰ m/s
D.
3 × 10¹² m/s
3
What is the formula for kinetic energy?
A.
mv
B.
mgh
C.
½mv²
D.
Fd
4
What is Newton's First Law of Motion?
A.
F = ma
B.
An object at rest stays at rest
C.
Action and reaction are equal
D.
Energy is conserved
5
What is the unit of electric current?
A.
Volt
B.
Ampere
C.
Ohm
D.
Watt
6
What is the acceleration due to gravity on Earth?
A.
8.9 m/s²
B.
9.8 m/s²
C.
10.0 m/s²
D.
9.6 m/s²
7
What is the formula for momentum?
A.
mv
B.
ma
C.
Fd
D.
mgh
8
What type of energy is stored in a stretched spring?
A.
Kinetic
B.
Potential
C.
Thermal
D.
Chemical
9
What is the relationship between frequency and wavelength?
A.
Directly proportional
B.
Inversely proportional
C.
No relationship
D.
Exponentially related
10
What is Ohm's Law?
A.
V = IR
B.
P = IV
C.
E = mc²
D.
F = ma
11
What is the formula for work done?
A.
Fd
B.
mv
C.
mgh
D.
½mv²
12
What is the unit of power?
A.
Joule
B.
Newton
C.
Watt
D.
Pascal
13
What is the law of conservation of energy?
A.
Energy can be created
B.
Energy can be destroyed
C.
Energy cannot be created or destroyed
D.
Energy increases over time