1. To provide protection against electric shock, the protective measure of double reinforced insulation relies on basic insulation and
1. What is the period of this waveform?
1. Fault protection may be provided by
1. A resistor is to be used on a 5 V supply and is expected to have a current of 0.08 A flowing through it. Which of the following power ratings would NOT be suitable for the resistor?
1. Basic protection is defined as
1. Study the sine wave shown here, which is a representation of an AC voltage, and then answer the question. Which letter represents the peak-to-peak value?
1. Where should a fuse be positioned in a circuit?
1. An electric heater is powered by a 220 V supply. If its resistance when hot is 25 Ω, what power rating should it have?