Question

1. What happens to the current as the resistance increases?

A. Current decreases as the resistance increases
B. Current increases as the resistance increases
C. Current decreases as the resistance decreases
D. Current increases as the resistance decreases
2. Which of the following formula CORRECTLY represents the relationship of current, voltage and resistance?

A. V= IR
B. I= V/R
C. V= I/R
D. R= V/I
3. How much voltage would be necessary to generate 10 amps of current in a circuit that has 5 ohms of resistant

A. 2 V
B. 0.5 V
C. 50 V
D. 4.9 V
4. How many amps of current flow through a circuit that includes 27-v battery and a bulb with a resistance of 3 ohms?

A. 9 Amp
B. 18 Amp
C. 81 Amp
D. 0.11 Amp
5. Three LED lamps are connected in parallel across a 220 volt source. If one lamp burns out, _______________.

A. the remaining two will not glow
B. the remaining two will glow brighter
C. the remaining two will glow dimmer
D. the remaining two will also burn out
6. Which connection below will make the bulbs glow brightest?

A. Two bulbs and one dry cell in a series connection
B. Two bulbs and one dry cell in a parallel connection
C. Two bulbs and two dry cells in a series connection
D. Two bulbs and two dry cells in parallel connection
8. Which of the following is TRUE of electrical forces?

A. Electrical forces are produced by electrical charges.
B. Like charges attract, unlike charges repel.
C. Electrical forces are weaker than gravitational forces.
D. Positive and negative charges can combine to produce a third type of charge.
9. The name of electrical energy is ________________.

A. Electricity
B. ohms
C. Current
D. Amperes
10. What is the unit of Electrical Resistance?

A. Voltage
B. ohms
C. Current
D. Amperes
11. The rate of electrical flow is measured in________________.

A. Voltage
B. ohms
C. Current
D. Amperes
12. What is the abbreviation of amperes?

A. @
B. A
C. a
d. Am
13. What is the quantity that measures how a device reduces the electrical flow?

A. Voltage
B. Resistance
C. Current
D. Amperes
14. A switch is a device that________

A. short circuits complex circuits
B. holds a fuse
C. has double poles
D. opens or completes a current path
15. Which voltage source converts chemical energy to electrical energy?

A. Electrical generator
B. Battery
C. Solar cell
D. Electronic power supply​

Answer 1

Answer:

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