which is positive and negative on a battery
Electrical polarity Electrical polarity is a term used throughout industries and fields that involve electricity. There are two types of poles: positive (+) and negative (-). This represents the electrical potential at the ends of a circuit. A battery has a positive terminal (pole) and a negative terminal (pole).
Loan In a loan, the borrower initially receives or borrows an amount of money, called the principal, from the lender, and is obligated to pay back or repay an equal amount of money to the lender at a later time.
Traffic light In Australia a white "B" or "T" sometimes replaces the green light indicating that buses or trams (respectively) have right of way.
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