A heater, a fan and a bulb are connected to the 15 V battery as shown in the given figure.
The fan with a resistance R has a potential difference of 6 V across it and a current of 3 A is flowing through the fan. The bulb has a current of 2 A flowing through it. Select the correct statement(s).
I. The voltage across the bulb is 6 V and its resistance is 2R.
II. The voltage across the bulb is 6 V and its resistance is 3⁄2 R.
III. The voltage across the heater is 9 V and its resistance is 2R.
IV. The voltage across the heater is 9 V and its resistance is 9⁄10 R.
AI only
BII and IV only
CIII and IV only
DI and II only