A Cell Has a Voltage (E) of 2 $$I = E / R + r$$

question 34

Short Answer

A cell has a voltage (E) of 2.1 volts, an internal resistance (r) of 0.9 ohms, and is connected to an electromagnet with a resistance (R) of 0.3 ohm. What current, in amps, will the electromagnet receive? Carry the answer to two decimal places. $$I = E / R + r$$

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Definitions:

Credit Balances

Accounts within the accounting ledger that have a positive balance, indicating amounts owed to others.

Trial Balance

A list of all accounts with their balances to provide a check on the equality of the debits and credits.

Balance Sheet

A financial statement that presents a company’s assets, liabilities, and shareholders’ equity at a specific point in time, showing the company’s financial condition.

Listing

In finance, it usually refers to the process of adding a company's shares to the roster of stocks traded on a particular stock exchange.