- - - - Basic Misconceptions - - - -

CRDG Page 418

Total BOT(Board of Trade) unit consumed is calculated this very simple way . .

BOT = KWh

NOW,
The electrical energy used in domestic purposes has the wattage rating for example, 60 watt, 100 watt etc. If any device runs for 10 or 12 hours, the total Watt-Hour is calculated.

For Example, if a 99 watt fan runs for 11 Hours the total watt-hour will be ( 99 x 11 ) = 1089 Wh.
Now, as we know BOT unit is nothing but KWh, the total watt-hour is converted into Kilo watt-hour [Watt-hour / 1000 = KWh]
i.e. 1089/1000 = 1.089 KWh. This is the electrical unit spent for this device in 11 hours.

If, the rate of BOT unit is 40 paisa/unit, then, money spent on this device (for running 11 hours) is 1.089 x 40 = 43.56 paisa.


As for my Phobia,

----> 1 BOT or 1 KWh = 1000 Wh

----> BOT or KWh = Wh/1000

These two may look like,
1 BOT = Wh x 1000    &
BOT = Wh / 1000

In the first case, we are writing that Kilo(K) = 1000. And if we are to convert some KWatt-hour value to Watt-hour value, we need to multiply it(KWatt-hour) by 1000. Simple.

In the second case, we are writing that if we are to convert some Watt-hour value to KWatt-hour value we need to divide it(Watt-hour) by 1000. Even more simple.

[ I should clarify this by remembering these exact words, 
1 Kilo-meter = 1000 Meter
=>5 Km = 5x1000 = 5000 mt
Respect to UNIT, We are high, going low, we multiply. 
=>5000 mt = 5000/1000 = 5 Km
If we have the value in Meter, We are low, going high, we divide.
&
Kilo-Meter = Meter / 1000 
=> JUST relation between units. Nothing more.
]