Three light bulbs represented by resistors are arranged as follows: (a) What typ

Question

Three light bulbs represented by resistors are arranged as follows:

(a) What type of circuit is represented by the arrangement of the three resistors?

(b) What is the direction of the real electric current (not the conventional current)in this circuit?

(c) How much total current is flowing in this circuit?

(d) How much charge passes a given point in the circuit every 10 seconds?

(d) what is the potential difference across the R2 resistor?

(e) what is the power dissipated by the R2 resistor? ?

(f) If one bulb burns out, does the brightness of the other two bulbs change? Explain.

(g) If an another bulb of 10k? is placed in a parallel arrangement with the R2 resistor, will the total current in the circuit increase, decrease or stay the same?

Explanation / Answer

a)series circuit b)+ to - c)I = V/R =9/(3+10+5)k =9/18k =0.5mA

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