This diagram shows an electron tube. Electrons moving from the cathode to the anode constitute a current.
Question:
This diagram shows an electron tube. Electrons moving from the cathode to the anode constitute a current. The current in the ammeter is 4.5 mA.
a. Calculate the charge passing through the ammeter in 3 minutes.
b. Calculate the number of electrons that hit the anode in 3 minutes.
c. The potential difference between the cathode and the anode is 75 V.
Calculate the energy gained by an electron as it travels from the cathode to the anode.
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a Charge Current Time Charge passing through the ammeter in 3 minutes 45 mA 3 minutes 135 mC millico...View the full answer
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Related Book For 
Cambridge International AS And A Level Physics Coursebook
ISBN: 9781108859035
3rd Edition
Authors: David Sang, Graham Jones, Gurinder Chadha, Richard Woodside
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