Physics · Cathode Rays

What order of potential difference must be applied between electrodes in a discharge tube to generate cathode rays?

Verified Solution4 OptionsUpdated: October 2026👁️1 View

11 to 5 Volts
2100 to 220 Volts
310,000 Volts (10^4 V)✓
41,000,000 Volts (10^6 V)

Correct answer

10,000 Volts (10^4 V)

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