How much work is required to carry a 6 μC charge from the negative terminal to the positive terminal of a 9V battery?
Options
(a) 54×10⁻³ J (b) 54×10⁻⁶ J (c) 54×10⁻¹⁹ J (d) […]
A device which converts electrical energy into mechanical energy is
Options
(a) Electric motor (b) Induction coil (c) Dynamo (d) Generator
Correct Answer:
Electric motor
Explanation:
No explanation available. Be the first to […]
Three fourth of the active material decays in a radioactive sample in 3/4 sec. The half life of the sample is
Options
(a) 1/2 sec (b) 1 sec (c) 3/8 sec (d) 3/4 […]
A milli ammeter of range 10 mA has a coil of resistance 1 ohm. To use it as voltmeter of range 10V, the resistance that must be connected in series with it, will be
In a parallel plate capacitor of capacitance C, a metal sheet is inserted between the plates parallel to them, If the thickness of the sheet is half of the separation between the plates, the capacitance […]
Unpleasent smelling carbylamines are formed by heating alkali and chloroform with
Options
(a) any primary amine (b) any amine (c) any aromatic amine (d) any aliphatic amine
Correct Answer:
any primary amine
Explanation: […]
The volume of water to be added to 100 cm³ of 0.5 N H₂SO₄ to get decinormal concentration is
Options
(a) 450 cm³ (b) 100 cm³ (c) 400 cm³ (d) 500 CM³
Correct […]
The base present in DNA, but not RNA is
Options
(a) uracil (b) thymine (c) guanine (d) adenine
Correct Answer:
thymine
Explanation:
No explanation available. Be the first to write the explanation for […]
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