Unit 13-14 Test 2
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Unit – 13-14 Test 2
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- Physics 10th Class English Medium Chapter 14 0%
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Question 1 of 12
1. Question
Sound waves having frequency higher than 20,000 Hz are called:
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Question 2 of 12
2. Question
A positive electric charge:
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Question 3 of 12
3. Question
An object gains excess negative charge after being rubbed against another object, which is:
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Question 4 of 12
4. Question
Sound waves having frequency lower than 20 Hz are called:
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Question 5 of 12
5. Question
At room temperature, electrons cannot escape the metal surface due to ………….. of atomic nucleus:
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Question 6 of 12
6. Question
The 1st practical electric battery is known as:
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Question 7 of 12
7. Question
What should household appliances be connected in parallel with the voltage source?
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Question 8 of 12
8. Question
The equivalent resistance of a parallel combination is
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Question 9 of 12
9. Question
The combined resistance of two identical resistors, connected in series is 8Ω. Their combined resistance in a parallel arrangement will be:
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Question 10 of 12
10. Question
What is the power rating of a lamp connected to a 12 v source when it carries 2.5 A?
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Question 11 of 12
11. Question
The S.I unit of potential difference is:
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Question 12 of 12
12. Question
Which gate is used for safety alarm:
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