Question

1.By adding more resistors to a circuit with resistors in a series connection you will ___________ the total resistance.

a. decrease

b. not change

c. increase

2.The _______ in the primary coil is equal to the __________in the secondary coil for a transformer.

a. current

b. power

c. voltage

d. number of turns

3.Wet skin will allow a greater electrical ____________ in your body as opposed to dry skin

a. resistance

b. force

c. pressure

d. current

4.In a series circuit, a light with a resistor of 20 Ohms will appear __________ than a resistor of 10 Ohms.

a. the same

b. dimmer

c. brighter

5.A diverging lens will always produce a(n) ____________ image.

a. upright

b. inverted

c. enlarged

d. real

6.Light refracting from water (n=1.33) to glass (1.5) will refract

a. no refraction will take place

b. toward the normal line

c. away from the normal line

7.Mathematically, a converging lens is similar to a _______________ .

a. concave mirror

b. convex mirror

c. diverging lens

8.An object placed 20 cm in front of a concave mirror (f=25 cm) will produce a(n) __________ image.

a. real

b. virtual

c. inverted

Answer 1