Physics · Measuring Instruments
How are alternating voltages measured using a cathode-ray oscilloscope (CRO)?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1From the voltage drop across a known resistance
- 2From the voltage applied to x plates
- 3From the static deflection of the spot
- 4From the length of the line produced when voltage is applied to y plates✓
Correct answer
From the length of the line produced when voltage is applied to y plates
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