What devices can be affected by a failure of the electrical system in a helicopter?

Question

PPL(H) - Private Pilot License - Aircraft General Knowledge - What devices can be affected by a failure of the electrical system in a helicopter?

QuizVDS · Accepted Answer

Radio equipment, navigation equipment and gyros

QuizVDS · Answer

Airspeed indicator, altimeter and artificial horizon

QuizVDS · Answer

Radio equipment, navigation equipment and magnetic compass

QuizVDS · Answer

Fuel quantity indication, radio equipment and altimeter

PPL(H) EN: What devices can be affected by a failure of the electrical system in a helicopter?