Sineor Tecnication Interview Questions and Answers

AC and DC are two types of electrical current with different characteristics.

• AC stands for alternating current, while DC stands for direct current.

• AC changes direction periodically, while DC flows in one direction.

• AC is commonly used in household appliances and power grids, while DC is used in batteries and electronic devices.

• AC can be easily converted to different voltages using transformers, while DC requires converters or inverters for voltage conversion.

• AC is more efficie...read more

The symbol of a battery is a rectangle with a shorter line on top and a longer line on the bottom.

• The symbol is often used to indicate the presence of a battery or power source.

• The longer line represents the positive terminal and the shorter line represents the negative terminal.

• The symbol can be found on electronic devices such as phones, laptops, and remote controls.