Question 3.12: A small solar cell is connected to a 27 kΩ resistor. In brig...

Electronics Fundamentals Circuits, Devices and Applications

A small solar cell is connected to a 27 kΩ resistor. In bright sunlight, the solar cell looks like a current source that can supply 180 μA to the resistor, as shown in Figure 11. What is the voltage across the resistor?

fig11

The "Step-by-Step Explanation" refers to a detailed and sequential breakdown of the solution or reasoning behind the answer. This comprehensive explanation walks through each step of the answer, offering you clarity and understanding.
Our explanations are based on the best information we have, but they may not always be right or fit every situation.

The blue check mark means that this solution has been answered and checked by an expert. This guarantees that the final answer is accurate.
Learn more on how we answer questions.

This Question has been Answered.

Already have an account?

Related Answered Questions

Question: 3.18

During a typical 24-hour period, you use the following appliances for the specified lengths of time: air conditioner: 15 hours blow dryer: 10 minutes clock: 24 hours clothes dryer: 1 hour dishwasher: 45 minutes microwave oven: 15 minutes refrigerator: 12 hours television: 2 hours water heater: ...

Verified Answer:

Determine the kWh for each appliance used by conve...

Question: 3.22

Determine whether the resistor in each circuit of Figure 20 has possibly been damaged by overheating. ...

Verified Answer:

For the circuit in Figure 20(a),

P = \frac{...

Question: 3.21

Choose an adequate power rating (1⁄8 W, 1⁄4 W, 1⁄2 W, or 1 W) for each of the metal-film resistors represented in Figure 19. ...

Verified Answer:

For the circuit in Figure 19(a), the actual power ...

Question: 3.20

A solar yard light such as the one shown in Figure 15 has a solar collector that can provide 1.0 W of power for charging the 3.0 V batteries. What is the maximum charging current the solar collector could supply to fully discharged 3.0 V batteries? ...

Verified Answer:

I

= \frac{P}{V} = \frac{1.0 W}{3.0 V} = [...

Question: 3.19

Calculate the power in each of the three circuits of Figure 14. ...

Verified Answer:

In circuit (a), you know V and I. The power is det...

Question: 3.17

Determine the number of kilowatt-hours (kWh) for each of the following energy consumptions:(a) 1400 W for 1 hr (b) 2500 W for 2 h (c) 100,000 W for 5 h ...

Verified Answer:

(a) 1400 W = 1.4 kW W = Pt = (1.4 kW)(1 h) ...

Question: 3.5

An indicator light requires a 330 Ω resistor to limit current. The voltage across the current limiting resistor is 3 V. What is the current in the resistor? ...

Verified Answer:

I = \frac{V}{R} = \frac{3.0 V}{330 Ω}[/la...

Question: 3.16

Express the following powers using appropriate metric prefixes: (a) 0.045 W (b) 0.000012 W (c) 3500 W (d) 10,000,000 W ...

Verified Answer:

(a) 0.045 W = 45 × 10

^{-3}

W = 45 m...

Question: 3.15

An amount of energy equal to 100 J is used in 5 s. What is the power in watts? ...

Verified Answer:

P = \frac{\text{energy}}{\text{time}} = \fr...

Question: 3.10

How much voltage will be measured across the resistor in Figure 9? ...

Verified Answer:

Note that 5 mA equals 5 × 10

^{-3}

A...