I am using 7805 and 7815 for the voltage 5 V and 15 V respectively. I provide 24 V to 7815 it is giveinng me output voltage 18.5 V instead of 15 V. According to 18.5 V to input to 7805, its output is 6 V. It should have to provide 5 V output. similarly, the output of 7815 should be 15 V.
I don't know what is happening. Can you tell me what will be the error in the circuit?
I am using this schematic in hardware.