Multiple Choice (no explanation) 1. If both the diameter and the length of a wire are quadrupled, what will happen to its resistance? A.it doubles B.it remains the same C.it decreases to one-fourth its original value D.it increases to four times its original value 2. Wet skin is said to have much less resistance than dry skin. This explains that water is a/an? A.conductor B.insulator C.semiconductor D.superconductor 3. Which is a good practice in handling electricity? A.labeling a circuit breaker B.replacing a blown fuse with a coin C.removing the round prong in a three-prong plug D.replacing a blown fuse with one of higher amperage
Multiple Choice (no explanation)
1. If both the diameter and the length of a wire are quadrupled, what will happen to its resistance? A.it doubles B.it remains the same C.it decreases to one-fourth its original value D.it increases to four times its original value
2. Wet skin is said to have much less resistance than dry skin. This explains that water is a/an? A.conductor B.insulator C.semiconductor D.superconductor
3. Which is a good practice in handling electricity? A.labeling a circuit breaker B.replacing a blown fuse with a coin C.removing the round prong in a three-prong plug D.replacing a blown fuse with one of higher amperage
4. Household circuitry is prevented from overloading by means of a? A.fuse B.switch C.three-prong plug D.ground fault interrupter
5. The flow of positive charges per unit time is called? A.alternating current B.conventional current C.direct current D.electron current
6. Which refers to a point in a circuit where three or more wires are connected? A.conductor B.junction C.loop D.resistor
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