Complete these sentences using while.
Пример: the plates of A FIXED capacitor CANNOT be moved to vary the capacity WHILE the plates of a variable capacitor CAN be moved to vary the capacity
1) THE SECONDARY WINDING of a transformer is connected to the LOAD RESISTANCE.
2) the PRIMARY winding RECEIVES energy.
3) A STEP-DOWN transformer DECREASES the primary voltage.
4) an AIR core transformer is used for HIGHT-frequency currents.
5) in STEP-UP transformer the number of turns of the secondary winding is greater than the number of turns of the PRIMARY winding.