Class VII

We should use conductors with high melting point in fuses.
  1. We should use conductors with high melting point in fuses.
  2. CFLs can be fixed in the ordinary bulb holders.
  3. both (a) and (b)
  4. none of the above
Which of the following acts as safety device in electric appliances?
  1. fuse
  2. connecting wires
  3. resistors
  4. battery
When an electric current passes through a solenoid, it acts as a/an
  1. insulator
  2. electric bell
  3. resistor
  4. bar magnet
Which of the following is the best option while considering the safety of household electric appliances?
  1. We should use wire strip as fuses.
  2. We should use non-ISI marked MCBs
  3. We should use ISI marked MCBs
  4. We should use conductors with high melting point in fuses.
Which of the following is an essential element in an electric circuit?
  1. switch
  2. connecting wires
  3. voltmeter
  4. ammeter
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