ETA certification test 100% solved 2024

ETA certification test 100% solved 2024 Which symbol is used for ohms of resistance? - Answer- Ω A unit of energy is the: - Answer- Joule Minute particles that make up all possible elements and still retain the unique chemical characteristics of the element are called: - Answer- atoms A component whose value is measured in microfarads is a: - Answer- capacitor Kirchoff's Voltage Law (KVL) states that the total voltage around a closed loop must be zero. - Answer- True The pole of the magnet from which the flux leaves is called the _______ pole. - Answer- north Safety precautions to be taken when working on high voltage equipment include which of the following? - Answer- All jewelry should be removed Which metric prefix would be used to represent 1 x 10⁻³ - Answer- Milli An electron has: - Answer- a negative charge Total power in a series circuit equals the: - Answer- sum of the power dissipated by each resistor Invisible lines of force that surround a magnet are called: - Answer- magnetic flux lines The basic unit of electric power is the: - Answer- watt With three 4.5 kΩ resistors and one 1.5 kΩ resistor in parallel, the total resistance is: - Answer- 750 Ω The basic unit of length in the metric system is the: - Answer- meter What two types of energy are used throughout electronics? - Answer- Kinetic and potential Electrical direct current flowing in a wire produces a magnetic field: - Answer- parallel to the wire Battery cells are connected in parallel to: - Answer- increase current capacity Which class of fire extinguisher is used on oil fires? - Answer- Class B When the resistance of a series circuit decreases, ____________. - Answer- total current increases A material is magnetized when the: - Answer- domains are in alignment If a series circuit has two 13 kΩ resistors with a source voltage of 10 V, the wattage is: - Answer- 3.85 mW What does the M+ key on a calculator do? - Answer- sums the quantity on screen to memory