Draw the circuit symbol of photodiode.

Ar is symbol of

Name an instrument that measures potential difference between two points in a circuit. Difine the unit of potential difference in terms of SI unit of charge and work . Draw the circuit symbols for a (i) veribale resisitor , (ii) a plug key which is closed one . Two electric circutirs I and II are shown below. (i) Which of the two circuits has more resistance? (ii) Through which circuit more current passes? (iii) In which circuit, the potential difference across each resistor is equal? (iv) If R_(1) gt R_(2) gtR_(3) , in which circuit more heat will be produced in R_(1) as compared to other two resistors? .

You are given a circuit below. Write its truth table. Hence, identify the logic operation carried out by this circuit. Draw the logic symbol of the gate it corresponds to.

You are given a circuit below. Write its truth table. Hence, identify the logic operation carried out by this circuit. Draw the logic symbol of the gate it corresponds to.

Draw the Lewis symbols of the following elements. Na, Ca, Br, Xe, As, Ge

Draw the lewis symbol for Nitrogen and Sulphur.

Draw the Lewis symbol for the following nitrogen (N) and fluorine (F)

(a) Draw the circuit diagram of reversed bias p-n junction. (b). Draw the output wavefrom across diode in given circuit. (c). Draw the truth table for the given logic gate.

Draw the circuit diagram of a half - wave rectifier using a p-n junction diode.

Give the truth table and circuit symbol for NAND gate.