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midterm questions VR
- A group of two or more atoms forms a(n) ____________.
- The ______________ number specifies the protons or electrons required in the atom for each element. This number determines the type of atom.
- The ___________ is the basic practical unit of energy.
- The unit of ______________ is commonly used for large amounts of electrical energy and is the basis of how electric companies charge for power usage.
- When current flows in a resistance, ________________ is produced
- Calculate the power in a circuit where a source of 100V produces 2A in a 50-Ω resistor.
- Calculate how much current is needed for a 600-W, 120-V toaster.
- Calculate the overall resistance of the coils in 1500-W, 120-V hair-dryer
- Calculate how much power is generated in a 120V, 10amp power drill.
- Convert 1.2kW into units of watts (W).