State TRUE/FALSE for following statements with reference to the dynamometer type wattmeter instruments:
1. The scale is non-uniform.
2. Air friction damping is used.
1
Statement 1 and 2 both are false
2
Statement 1 and 2 both are true
3
Statement 1 is false and Statement 2 is true
4
Statement 1 is true and Statement 2 is false