# RLC circuit problems?

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This is the graph of EMF( *V* ) and current( *i* ) respect to time.

(a) Does current lead or behind to the EMF?

(b) The frequency of EMF is #omega_d# and circuit is #omega# , which is bigger?

This is the graph of EMF( ** V** ) and current(

**) respect to time.**

*i*(a) Does current lead or behind to the EMF?

(b) The frequency of EMF is

##### 1 Answer

Apr 13, 2018

see below

#### Explanation:

Current leads voltage. See well known mnemonic:

Same wavelength, and frequency/