Question

Question 2 (2 points) SPST +\\ $v_s$\\ -\\ R LED If the the voltage source is given as 3.4 volts, how much energy is consumed in the circuit in 2.0 hours if the voltage drop across the LED is 1.7 volts at 25 milliamps (mA)? Give your answer in units of joules.

          Question 2 (2 points)
SPST
+\\
$v_s$\\
-\\
R
LED
If the the voltage source is given as 3.4 volts, how much energy is consumed in the
circuit in 2.0 hours if the voltage drop across the LED is 1.7 volts at 25 milliamps
(mA)? Give your answer in units of joules.

Question 2 (2 points)
SPST
+

vs

-

R
LED
If the the voltage source is given as 3.4 volts, how much energy is consumed in the
circuit in 2.0 hours if the voltage drop across the LED is 1.7 volts at 25 milliamps
(mA)? Give your answer in units of joules.

Added by Matthew F.

University Physics with Modern Physics

Hugh D. Young 14th Edition

Instant Answer

Solved by Expert Shaiju T

04/30/2022

Step 1

Given: Voltage source (Vs) = 3.4 volts Voltage drop across LED = 1.7 volts Current (I) = 25 milliamps = 0.025 amps Using Ohm's Law: V = I * R Where V is the voltage drop across the LED, I is the current, and R is the resistance of the LED. Since V = I * R, we Show more…

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Question 2 (2 points) If the the voltage source is given as 3.4 volts, how much energy is consumed in the circuit in 2.0 hours if the voltage drop across the LED is 1.7 volts at 25 milliamps (mA)? Give your answer in units of joules. Question 2 (2 points) SPST + v s R LED If the the voltage source is given as 3.4 volts, how much energy is consumed in the circuit in 2.0 hours if the voltage drop across the LED is 1.7 volts at 25 milliamps (mA)? Give your answer in units of joules