Write the letter of the correct answer on the space provided. 1. Most Christmas lights are made using this kind of circuit. a.Closed c. parallel b.Open d. seriees 2. What kind of magnet is an electromagnet? a. Permanent c. temporary b.Semi-conductor d. semi-permanent 3. Which of these increases the strength of electromagnets? a.Decreasing the number of loops of wire around the iron core b.Increasing the number of loops c. Minimizing the presence of currents d. Turning the current off 4. Which of the following is a source of electrical energy? A.Battery C. switch b.Light bulb d. tunnel 5. Which of these circuits produce light for bulb? a. Closed circuit C. open circuit b.Binary circuit d. short circuit TI
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Answer:
1.b
2.d
3.b
4.a
5.c
Explanation:
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