Question

# 1.The electric field at a distance of 2 mm from a test charge is _____the field...

1.The electric field at a distance of 2 mm from a test charge is _____the field at a distance of 4 mm
a. The same as
b twice as strong as
c four times as strong as
d 1/4 as strong as
e have as strong ass

2. an electrical field contains two charges ANB. If the charges are doubled to be to a N to be, what would happen to the force on charge a?
a The same as
b twice as strong as
c four times as strong as
d 1/4 as strong as
e Half as strong as

3. The electric Field force midway between two equal positive charges
a is twice as strong as the field of one charge alone
b is half as strong as field of one charge alone
c is zero

4 if you come your hair in the comb becomes negatively charged, your hair becomes____ charged because___
a. negatively/it loses electrons
b. negatively/it gains protons
c. positively/it loses electrons
d. positively/ it loses protons

5. which of the following is true about electric field lines?
a lines begin on positive charge an end on negative
b Lines are close together where the field is strong
c The direction of the electric force on a charge and tangent to the field line
d all these statements are true

6. which of the following best describes a series circuit
a. a circuit in which voltage remains the same across each resistor
b. A circuit in which the current will change after each resistor
c. A circuit in which current splits in two different wires
d. A circuit in which the voltage will change after each resistor

6. fuses are used to
a. decrease the voltage in a circuit
b. Control the direction of flow
c. decrease the current in a circuit
d. Break when current is exceeded its limit

rate plz

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