Experimental Skills questions
159 published questions with worked solutions.
- STATEMENT-1: In a Meter Bridge experiment, null point for an unknown resistance is measured. Now, the unknown resistance is put...
- In parallax method for the determination of focal length of a concave mirror, the object should always be placed :
- A voltage regulating circuit consisting of Zener diode, having break-down voltage of 10 V and maximum power dissipation of 0.4 W,...
- In a meter bridge experiment to determine the value of unknown resistance, first the resistances 2 and 3 are connected in the...
- On interchanging the resistances, the balance point of a meter bridge shifts to the left by 10 cm. The resistance of their series...
- In a simple pendulum experiment for determination of acceleration due to gravity (g), time taken for 20 oscillations is measured...
- A resonance tube is old and has jagged end. It is still used in the laboratory to determine velocity of sound in air. A tuning...
- A tuning fork of frequency 480 Hz is used in an experiment for measuring speed of sound (v) in air by resonance tube method....
- Which of the following will NOT be observed when a multimeter (operating in resistance measuring mode) probes connected across a...
- In a metre-bridge when a resistance in the left gap is 2Ω and unknown resistance in the right gap, the balance length is found to...
- In finding out refractive index of glass slab the following observations were made through travelling microscope: 50 vernier...
- A circuit to verify Ohm's law uses ammeter and voltmeter in series or parallel connected correctly to the resistor. In the...
- A resistance wire connected in the left gap of a metre bridge balances a 10 resistance in the right gap at a point which divides...
- The diameter of a wire measured by a screw gauge of least count 0.001 cm is 0.08 cm. The length measured by a scale of least...
- A diode has Zener voltage of 10 V and maximum power dissipation of 0.5 W, then the minimum resistance to be used in series with...
- In an experiment to determine the resistance of a given wire using Ohm's law, the voltmeter and ammeter readings are noted as 10...
- Wheatstone bridge principal is used to measure of specific resistance (S₁) of given wire, having length L, radius r. If X is the...
- A wire of length 10 cm and radius 7 10^ -4 m is connected across the right gap of a meter bridge. When resistance of 4.5 Ω is...
- Two resistance of 100 Ω and 200 Ω are connected in series with a battery of 4 V and negligible internal resistance. A voltmeter...
- The measured value of the length of a simple pendulum is 20 cm with 2 mm accuracy. The time for 50 oscillations was measured to...
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