Q.

If RXL and XC represent resistance, inductive reactance and capacitive reactance. Then which of the following is dimensionless:          [2023]

1 RXLXC  
2 RXLXC  
3 RXLXC  
4 RXLXC  

Ans.

(2)

All three have same dimension therefore RXLXC is dimensionless.