# T1 G12 Cw1

10 Questions | Total Attempts: 12  Settings  .

• 1.
What is the unit of Electric field?
• A.

Newton

• B.

Newton / Coulomb

• C.

Coulomb

• D.

Coulomb / Newton

• E.

Coulomb / meter

• 2.
Calculate the charge of a sphere that feels a force of 20 N in an electric field of 40 N/C
• A.

0.5 C

• B.

800 C

• C.

60 C

• D.

2 C

• E.

20 C

• 3.
Calculate the force a charge of 1.2 C feels in an Electric field of 30 N/C.
• A.

36 N

• B.

3.6 N

• C.

0.025 N

• D.

31.2 N

• E.

28.8 N/C

• 4.
Calculate the electric field caused by a charge of 7.2 × 10-15 C at a distance r = 6 × 10-3 m.
• A.

1.8 N/C

• B.

1.2 × 10^-12 N/C

• C.

0.01 N/C

• D.

18 N/C

• E.

0.18 N/C

• 5.
Calculate the Electric field if a charge of 0.5 C feels a force of 12 N.
• A.

24 N/C

• B.

6 N/C

• C.

12.5 N/C

• D.

11.5 N/C

• E.

0.041 N/C

• 6.
What kind of charges do you see?
• A.

A positive, B positive and C positive

• B.

A negative, B positive and C positive

• C.

A positive, B negative and C negative

• D.

A positive, B positive and C negative

• E.

A negative, B negative and C positive