Login
Remember
Register
EasyElimu Questions and Answers
Questions
Unanswered
Tags
Users
Ask a Question
Ask a Question
State two advantages of using a Cathode Ray Oscilloscope (C.R.O) as a voltmeter over the ordinary voltmeter.
0
votes
2.0k
views
asked
Jul 8, 2021
in
Physics Form 4
by
anonymous
State two advantages of using a Cathode Ray Oscilloscope (C.R.O) as a voltmeter over the ordinary voltmeter.
photoelectric effect
Please
log in
or
register
to answer this question.
1
Answer
0
votes
answered
Jul 8, 2021
by
anonymous
Has no coil to burn out
Has instantaneous response.
Has nearly infinite resistance, therefore draws very little current.
Can measure both AC and DC voltages.
Please
log in
or
register
to add a comment.
Related questions
0
votes
1
answer
An X-ray operates at 30000V and the current through it is 2mA. Given that the charge of an electron is 1.6 x 10-19C, h = 6.63 x 10-34JS, speed of light, C = 3.0 x 108m/s, calculate:-
asked
Jul 8, 2021
in
Physics Form 4
by
anonymous
photoelectric effect
0
votes
1
answer
State two factors that determine the speed of electrons emitted from a metal surface by light energy falling on it.
asked
Jul 14, 2021
in
Physics Form 4
by
anony mous
photoelectric effect
radiation
0
votes
1
answer
Sodium has a work function of 2.3eV. Given that: Planck’s constant h = 6.63 x 10-34JS, velocity of light in vacuum, C = 3.0 x 108m/s, 1 electron-volt (1eV) = 1.6 x 10-19 C and mass of an electron, me = 9.1 x 10-31kg, calculate:
asked
Jul 8, 2021
in
Physics Form 4
by
anonymous
photoelectric effect
0
votes
1
answer
State one difference between the deflection systems of a cathode ray tube and the television tube.
asked
Jun 21, 2021
in
Physics Form 4
by
anonymous
cathode rays
0
votes
1
answer
State any two factors that affect photoelectric effect.
asked
Aug 18, 2021
in
Physics Form 4
by
anonymous
photoelectric effect
Welcome to EasyElimu Questions and Answers, where you can ask questions and receive answers from other members of the community.
Categories
All categories
Mathematics
(632)
English
(287)
Kiswahili
(559)
Chemistry
(663)
Physics
(604)
Physics Form 1
(307)
Physics Form 2
(129)
Physics Form 3
(91)
Physics Form 4
(76)
Biology
(659)
Geography
(537)
History
(568)
CRE
(365)
IRE
(53)
Agriculture
(519)
Business Studies
(379)
Computer Studies
(20)
Home Science
(60)
General Questions
(432)
6.4k
questions
9.6k
answers
6
comments
590
users
...