raredarkicyfox
Answered

Looking for answers? Westonci.ca is your go-to Q&A platform, offering quick, trustworthy responses from a community of experts. Discover a wealth of knowledge from professionals across various disciplines on our user-friendly Q&A platform. Join our platform to connect with experts ready to provide precise answers to your questions in different areas.

The voltage drop across an LED is 2 Volts. It is connected to a 5 volt power supply with a resistor, as shown. What resistor value should be used to set the LED current to 4 mA?

The Voltage Drop Across An LED Is 2 Volts It Is Connected To A 5 Volt Power Supply With A Resistor As Shown What Resistor Value Should Be Used To Set The LED Cu class=

Sagot :

Answer:

Explanation:

The voltage drop across an LED is 2 Volts. It is connected to a 5 volt power supply

so voltage at resistor = 5-2 = 3V

by ohms' law, V=IR n current at 4mA or 0.004A

R = 3/0.004 = 750 ohms

Thanks for using our service. We're always here to provide accurate and up-to-date answers to all your queries. We hope our answers were useful. Return anytime for more information and answers to any other questions you have. Westonci.ca is your go-to source for reliable answers. Return soon for more expert insights.