capacitor burnt out

connections of supply lead interchanged

winding earthed or partially short-circuited

worn out bearings and a bent blade

Zero or few ohms

In kilo ohms

Infinity

In mega ohms

The output heat remains the same

The glow of the heater element will be dim

The glow will be brighter because of more current

The efficiency will increase

outside the bathroom

inside the bathroom

near the main switch

opposite wall of the geyser

1400 to 2000 r.p.m.

1400 to 2600 r.p.m.

1400 to 3000 r.p.m.

3000 to 12000 r.p.m.