A photoresistor, whose resistance decreases with light intensity, is connected i

Question

A photoresistor, whose resistance decreases with light intensity, is connected in the circuit of the figure

1. What is the current when the resistance of the photoresistor is 1.6k? ?

A photoresistor, whose resistance decreases with light intensity, is connected in the circuit of the figure 1. What is the current when the resistance of the photoresistor is 1.6k? ? Express your answer to two significant figures and include the appropriate units. 2. What is the potential difference across photoresistor when the resistance of the photoresistor is 1.6k?? Express your answer to two significant figures and include the appropriate units.

Explanation / Answer

1. I = V/ R = 9/(1+1.6) = 3.46 mA

2. V = IR = 3.46 * 1.6 = 5.54 V

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