# physics test

Jun 17th, 2015
Studypool Tutor
Price: \$10 USD

Tutor description

1. ______________________ is the process where by ____________ are released from the surface of a heated metal. 2. The properties of cathode rays (i) They travel in ________________ lines. (ii) They are fast moving ____________ and therefore can generate ________when they hit the fluorescent screen.

Word Count: 2605
Showing Page: 1/15
4. ELECTRONICS [/25 x 100 = % ]SECTION A Structured ItemsInstruction: Answer all questions in this section.4.1 Understanding the uses of the Cathode Ray Oscilloscope (C.R.O)A student is able to :explain thermionic emission.Describe the properties of cathode rays.Describe the uses of a cathode ray oscilloscope.-- Measure potential difference using the C.R.O. -- Measure short time intervals using the C.R.O. -- Display wave forms using the C.R.O.Solve problems based on the C.R.O. display1.______________________ is the process where by ____________ are released from the surface of a heated metal.2. The properties of cathode rays(i) They travel in ________________ lines.(ii) They are fast moving ____________ and therefore can generate ________when they hit the fluorescent screen.(iii) They are deflected by _________ and ____________ fields and are _________ charged.3. The diagram shows the structure of a simple cathode ray tube.(a)Name the components labeled P, Q, R, S and T.ComponentName of the componentFunction of the componentPQRST(b) The CRO can be used to : i. display _________________ ii. measure ________________ of DC and AC supply iii. measure a _________________________4.The figure below shows a trace formed on the screen of a CRO. If the Y-gain control on the CRO is set at 0.5 V cm-1

## Review from student

Studypool Student
" <3 it, thanks for saving me time. "

Type your question here (or upload an image)

1828 tutors are online

### Other Documents

06/17/2015

Brown University

1271 Tutors

California Institute of Technology

2131 Tutors

Carnegie Mellon University

982 Tutors

Columbia University

1256 Tutors

Dartmouth University

2113 Tutors

Emory University

2279 Tutors

Harvard University

599 Tutors

Massachusetts Institute of Technology

2319 Tutors

New York University

1645 Tutors

Notre Dam University

1911 Tutors

Oklahoma University

2122 Tutors

Pennsylvania State University

932 Tutors

Princeton University

1211 Tutors

Stanford University

983 Tutors

University of California

1282 Tutors

Oxford University

123 Tutors

Yale University

2325 Tutors