I am implementing the circuit shown in the attachment. The problem is that the 4001 is working fine and supplies 6.5 volts to the the IRF510 but the MOSFET is nt switching. I tried applying a voltage from a dc supply unit to the MOSFET and it works fine. Is there a solution to why the 4001 isnt driving the MOSFET. The voltage coming out of the 4001 is 6.5 volts but the voltage at the gate of the MOSFET shows only 0.5V. Thanks in advance for the help.
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