A resistance of 105 ohms is specified using significant figures as indicated below : 1. 105 ohms 2. 105.0 ohms 3. 0.000105 mega ohms Among these,

• A.  2 and 3 represent greater precision than 1.
• B.  2 represents greater precision but 1 and 3 represent same precision.
• C.  1 represents greater precision than 2 and 3.
• D.  1, 2 and 3 represent same precision.

Answer: (B)