NAME
MASTERY TEST
SCIENCE &
MODULE 7: Basic Electricity
DIRECTION Choose the let...
Law, 09.11.2020 08:20 sduhaime1974
NAME
MASTERY TEST
SCIENCE &
MODULE 7: Basic Electricity
DIRECTION Choose the letter of the comect answer Write your answers on the space provided for
1. What is the elecinc current if a grourt has a resistance of 100 Q and voltage of 120V?
D. 25.0 A
A 0.120 A
B900 A
C 120A
2 What is the elecinc current if a circut has a resistance of 100 0 and a voltage of 600 V?
D. 125 A
A 00800 A
B. 4.50 A
C. 6.00 A
3. What is the vollege of a arcut that has a resistance of 6 K and a current of 2 MA?
AV
8.10 V C. 11 V
D. 12 V
4 What will happen to the current if the voltage is reduced to one half?
A tripled B. doubled C. decreased by one hall
D. decreased by one fourth
5 Calculate the voltage if the current passing through the wire is 3 A, and has a resistance of 100
8 30 V C 75 V
D. 150 V
6. What is the voltage across a 6 load when 3 A of current passes through it?
B. 9V
C. 18V
D. 36 V
7. Which of the following properties of materials does NOT affect resistance?
A length B thickness
C. temperature D. strength of the material
8. Ampere is a unit of what electrical quantity?
B load
C. resistance
D. voltage
9. What happens to the current across a circuit when the voltage is doubled while the resistance is held
constant?
A tripled
B. halved
C. doubled
D. remains the same
10. Which of the following statements is correct about the relationship of voltage and current?
A Current varies directly with voltage and resistance is changing.
8. Current varies indirectly with voltage and resistance is changing
C Current varies directly with voltage when resistance remains constant
D. Current varies indirectly with voltage when resistance remains constant
11. What type of conducting wire has the greatest resistance to the flow of current?
A thin lang wire
B thick, long wire
12. Which of the following one
C. thin, short wire D. thick, short wire
Answers: 2
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