Electric Charge and Fields Worksheet

Polarization can be done by:

• Only insulators

• Only conductors

• Both insulators and conductors

• Neither insulators nor conductors

Which of the following best describes the direction of electric field lines for a positive charge?

• Inward

• Outward

• Circular

• Random

Which of the following is NOT a method of charging an object?

• Friction

• Contact

• Induction

• Radiation

What is required for induction to occur?

• Direct contact

• Movement of charges without contact

• Friction

• Heat

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

What is the relationship between voltage (V), current (I), and resistance (R) in Ohm’s Law?

• V = I/R

• V = IR

• V = R/I

• V = I + R

Which of the following gives the greatest resistance in a wire?

• Short, thick, copper wire at low temperature

• Long, thin, copper wire at high temperature

• Long, thin, nichrome wire at high temperature

• Short, thick, aluminum wire at low temperature

What happens to the total resistance in a series circuit when more resistors are added?

• Increases

• Decreases

• Stays the same

• Becomes zero

What type of circuit is shown in the second diagram?

• Series

• Parallel

• Mixed

• Open

What happens when one component is disconnected in a parallel circuit?

• Goes out

• Stays on

• Increases resistance

• Decreases resistance

What happens to the total resistance in a parallel circuit when more resistors are added?

• Increases

• Decreases

• Stays the same

• Becomes infinite