Correct the following statements if required changing the underlined protion.
A NOT gate followd by OR gate gives a NOR gate.

Correct the following statements if required changing the underlined portion. Like currents repel.

An OR gate

Correct the following statements if required changing the underlined portion. Unlike currents attract.

Correct the following statements if required changing the underlined portion. A Galvanometer with a shunt is a voltmeter.

Correct the following statements if required changing the underlined protion. Semiconductors behave as insulators at 0^@C

Correct the following statements if required changing the underlined portion. There is a not requires to charge a capacitor.

Correct the following statements if required changing the underlined protion. A filter circuit separate a.c. from d.c and hence increases the ripple factor.

Correct the following statements if required changing the underlined protion. Electrons move inside valence band in a condutor to constitut the flow of current.

Correct the following statements if required changing the underlined protion. In intrinsic semi conductors the condution character depends on doping.