Question

1. Please answer the following question please, all parts, clearly

A. An unknown resistor uses 3.2 W when connected to a 6-volt battery. When connected to a 12-volt battery, this resistor will use about

B. In a closed electric circuit, electrons flow (choose from the 4 options, can be multiple)

I) from the + to the – terminal of the battery through any wires connected to the battery

II) from the − to the + terminal of the battery through any wires connected to the battery

III) from the + to the – terminal inside the battery

IV) from the – to the + terminal inside the battery

C. A battery with an emf of 64 V and an internal resistance 3.2 Ω is used to charge a battery with an emf of 28 V and an internal resistance of 0.8 Ω. The current in the circuit is about:

D. The North pole of a bar magnet is held in a fixed position near a negatively-charged Ping-Pong ball. The ball is suspended at the end of a long thread. Which of the following accurately describes what will happen?

E. An electron traveling in the +z direction enters a region where the magnetic field is uniform and points along the negative z-direction. The magnetic force on the electron:

Answer 1

The options in part D are missing

Please upload a new question with the options.

Please upvote.thanku