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Then please suggest me the modification needed in the ckt for proper operatin.. thanks in advance..That 741 is to be configured as a Comparator and NOT as a Linear amplifier.
Obviously, the transistor is operating in a Linear mode and not as a Switch.
It will heat up and fail.
The 100k resistor should be connected between the non-inverting input and the output of the op-amp, instead of between the inverting input and the output.Then please suggest me the modification for proper working of the ckt..
Missing information is, what is the current draw of the relay? Is it well within the transistor Ic current limit?