Explore BrainMass

# Potential Difference, Current and Resistance

Not what you're looking for? Search our solutions OR ask your own Custom question.

This content was COPIED from BrainMass.com - View the original, and get the already-completed solution here!

1. In a particular television tube, the beam current is 60.0 MuA. How long does it take for 3.75 x 10^14 electrons to strike the screen?

2. A stereo with a resistance of 65 ohms is connected across a potential difference of 120 V. What is the current in this device?

3. The current in a microwave oven is 6.25 A. If the resistance of the oven's circuitry is 17.6 ohms, what is the potential difference across the oven?

https://brainmass.com/physics/resistance/potential-difference-current-resistance-16620

#### Solution Preview

1. In a particular television tube, the beam current is 60.0 Mu A How long does it take for 3.75 x 10^14 electrons to strike the screen?

Current= 60 Mu A =60x10^(-6) A
1A=1Coulomb/Second
A current of 60 Mu A involves the transfer of charge of 60x10^(-6) Coulombs per second= 0.00006 Coulombs/sec
...

#### Solution Summary

This solution provides a detailed, step by step explanation of the given physics problems.

\$2.49