Electric Fields and Forces Quiz

What is the charge on each sphere in the problem?

• -4 Nano coulombs

• 4 Nano coulombs

• 6 Nano coulombs

• -6 Nano coulombs

Which force acts downward on each sphere?

• Tension

• Magnetic force

• Electrical repulsion

• Weight

What is the role of tension in the system?

• To change the angle Theta

• To decrease the mass

• To balance the weight and electrical repulsion

• To increase the charge

Which trigonometric function is used to find the angle Theta?

• Cotangent

• Sine

• Cosine

• Tangent

What is the calculated angle Theta in degrees?

• 60 degrees

• 31 degrees

• 15 degrees

• 45 degrees