9th Standard Syllabus & Materials
9th Standard
TN 9th Tamil உள்ளத்தின் சீர் -கற்கண்டு (இலக்கணம்) - தொடர் இலக்கணம், ஆகுபெயர் Important Questions And Answers Study Material - QB365 Set A
NEW9th Standard
TN 9th Tamil உள்ளத்தின் சீர் -விரிவானம் (துணைப்பாடம்) - தாய்மைக்கு வறட்சி இல்லை! Important Questions And Answers Study Material - QB365 Set A
NEW9th Standard
TN 9th Tamil உள்ளத்தின் சீர் -கவிதை பேழை (செய்யுள்) - மார்கழி பெருவிழா Important Questions And Answers Study Material - QB365 Set A
NEW9th Standard
TN 9th Tamil உயிருக்கு வேர்-இலக்கணம் - பகுபத உறுப்பிலக்கணம் Important Questions And Answers Study Material - QB365 Set A
NEW9th Standard
TN 9th Tamil அமுதென்று பேர் - இலக்கணம்-எழுத்து -அளபெடை Important Questions And Answers Study Material - QB365 Set A
NEW9th Standard
TN 9th Tamil அமுதென்று பேர்-துணைப்பாடம் - ஆறாம்திணை Important Questions And Answers Study Material - QB365 Set A
Published on: 09/12/2020
9th Standard Science Electric Charge and Electric Current English Medium Free Online Test 1 Mark Questions with Answer Key 2020 - 2021
Download Tamil Nadu 9th Standard Science question papers, model tests, one-mark questions, important questions, and public exam papers in PDF format. Free study materials and answer keys for TN State Board students.
Questions + Answers key
Take MCQ Science Test1.
Assertion (A) Electric current will not flow between two charged bodies when connected if their charges are same.
Reason (R) Current is the rate of flow of charge.
If both assertion and reason are true and reason is the correct explanation of assertion
If both assertion and reason are true but reason is not the correct explanation of assertion.
If assertion is true but reason is false
If assertion is false but reason is true.
2.
If in the circuit, power dissipation is 150 W, then R - is___________
2\(\Omega \)
6\(\Omega \)
5\(\Omega \)
4\(\Omega \)
3.
The resistance of a straight conductor is independent of__________
temperature
material
cross sectional area
shape of cross section
4.
In India the frequency of alternating current is
220 Hz
50 Hz
5 Hz
100 Hz
5.
Electroplating is an example for
heating effect
chemical effect
flowing effect
magnetic effect
6.
The following is not a safety device.
Fuse
Trip switch
Ground connection
Wire
7.
Heating effect of current is called,
Joule heating
Coulomb heating
Voltage heating
Ampere heating
8.
In an electrolyte the current is due to the flow of
electrons
positive ions
both (a) and (b)
neither (a) nor (b)
9.
Potential near a charge is the measure of its________ to bring a positive charge at that point.
force
ability
tendency
work
10.
Rubbing of comb with hair.
creates electric charge
transfers electric charge
either (a) or (b)
neither (a) nor (b)
1.
(d)
If assertion is false but reason is true.
2.
(b)
6\(\Omega \)
3.
(d)
shape of cross section
4.
(b)
50 Hz
5.
(b)
chemical effect
6.
(d)
Wire
7.
(a)
Joule heating
8.
(c)
both (a) and (b)
9.
(a)
force
10.
(c)
either (a) or (b)
9th Standard Syllabus & Materials
9th Standard
TN 9th Tamil உள்ளத்தின் சீர் - திருக்குறள் Important Questions And Answers Study Material - QB365 Set A
NEW9th Standard
TN 9th Tamil உள்ளத்தின் சீர் - மணிமேகலை Important Questions And Answers Study Material - QB365 Set A
NEW9th Standard
TN 9th Tamil உள்ளத்தின் சீர் - ஏறு தழுவுதல் Important Questions And Answers Study Material - QB365 Set A
NEW9th Standard
TN 9th Tamil உயிருக்கு வேர் - தண்ணீர் Important Questions And Answers Study Material - QB365 Set A
Tamilnadu Stateboard 9th Standard Subjects
Tamilnadu Stateboard Standards
