Electrical Circuits and Electric Currents Multiple Choice Quiz Questions 46 pdf Download

Practice science quiz 46 on electrical circuits and electric currents MCQs, grade 7 fuses and circuit breakers multiple choice questions. Free fuses and circuit breakers guide has science worksheet with answering options glows up wire in fuse, melts wire in fuse, alarms and lights up to break circuit and bursts into small pieces breaking circuit of multiple choice questions (MCQ) with fuses and circuit breakers quiz as when a large current passes through a fuse, it for exam prep. Study to learn fuses and circuit breakers quiz to attempt multiple choice questions based test.

MCQs on Electrical Circuits and Electric Currents - Quiz 46

MCQ. When a large current passes through a fuse, it

  1. melts the wire in the fuse
  2. glows up the wire in the fuse
  3. alarms and lights up to break the circuit
  4. bursts into small pieces breaking the circuit

A

MCQ. An iron bar linked to a small hammer is attracted by the

  1. electromagnet
  2. magnet
  3. coil
  4. gong

A

MCQ. Compared to cheap costing appliances, some appliances are more

  1. cheap
  2. expensive
  3. effective
  4. dangerous

B

MCQ. And thirdly, resistance depends upon the

  1. length
  2. width
  3. surface area
  4. depth

A

MCQ. Copper has

  1. low current
  2. low voltage
  3. low resistance
  4. low energy

C