Pls see the attachment.
The Attempt at a Solution
Obviously I have B and C correct but for a the only thing I can find is tan(phi)=XL-Xc/R
This seems to be for a series RLC circuit though and I only have RC.
also I know that the current lags the p.d by 900 in an RC circuit but I cant see how I can use this????
any help appreciated.
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