Which symbol and unit of measurement are used for voltage?
A. symbol: V; unit: A
B. symbol: R; unit Q:
C. symbol: V; unit: V
D. symbol: R; unit: V
Answer (1)
The symbol for voltage is V, and the unit of measurement is also volts (V). Therefore, the correct answer is:
Voltage is represented by the symbol V.
The unit of measurement for voltage is volts (V).
The correct option has the symbol V and the unit V.
The correct answer is $\boxed{symbol: V; unit: V}
Explanation
Understanding the Question The question asks us to identify the correct symbol and unit of measurement for voltage from the given options.
Recalling Voltage Voltage, also known as electric potential difference, is represented by the symbol 'V' and is measured in volts, also represented by the symbol 'V'.
Analyzing the Options Now, let's examine the options:
Option 1: symbol: V; unit: A (Incorrect, as 'A' stands for Amperes, the unit of current)
Option 2: symbol: R; unit Q: (Incorrect, as 'R' stands for Resistance and 'Q' is not a valid unit)
Option 3: symbol: V; unit: V (Correct, as 'V' stands for Voltage and the unit is Volts)
Option 4: symbol: R; unit: V (Incorrect, as 'R' stands for Resistance, not Voltage)
Identifying the Correct Answer Therefore, the correct answer is the option where the symbol is 'V' and the unit is 'V'.
Examples
Understanding voltage is crucial in everyday life. For example, when you use a battery to power a device, you're relying on voltage to push the electric current through the circuit. Different devices require different voltages to operate correctly. If the voltage is too high, it can damage the device, and if it's too low, the device may not work at all. Knowing the correct voltage for your devices ensures they function properly and safely.
