Ammeter
Volt meter
Ohm meter
Watt meter
Low contact current
Excessive contact current
Chatter during a slow release
Excessive number of operations
Lamp is ON at 100 Degree Centigrade
Lamp is ON at 320 Degree Centigrade
Lamp is ON at 400 Degree Centigrade
Lamp is OFF at room temperature
Back emf increases
Eddy current decreases
Magnetic flux increases
Energy loss takes place
Voltage lags current by 45 Degree
Current lags voltage by 90 Degree
Voltage leads current by 45 Degree
Current leads voltage by 90 Degree