Frequency of oscillation of an AMV depends upon RC values of the circuit
Description : If the length of a pendulum is doubled, its frequency of oscillation is changed by a factor of (a) 2 (b) √2 (c) 1/2 (d) 1/4
Last Answer : Ans:(c)
Description : When a person sitting on a swing stands up on the swing, the frequency of oscillation – (1) decreases (2) increases (3) becomes infinite (4) does not change
Last Answer : (2) increases Explanation: In Simple Harmonic Motion, the frequency of the oscillation (1) is the number of oscillations per second which is expressed as f = 1/T where T is the time period (the time for the oscillator to complete one cycle).
Description : One of the following is a possible cause of an abrupt frequency variation in a self exited transmitter oscillator circuits resulting to a poor frequency stability to hold a constant frequency ... capacitor in the oscillator D. Loose connections in the oscillator, amplifier, or antenna circuits.
Last Answer : D. Loose connections in the oscillator, amplifier, or antenna circuits.
Description : A spring mass system has time period of oscillation of 0.25 sec. What will be the natural frequency of the system? A 1 Hz B 2 rad sec C 4 rad/sec D 4 Hz
Last Answer : D 4 Hz
Description : The period of oscillation of a particle undergoing simple harmonic motion is: w) independent of the amplitude of the motion x) directly proportional to the frequency of oscillation y) independent of the frequency of oscillation z) none of the above
Last Answer : ANSWER: W -- INDEPENDENT OF THE AMPLITUDE OF THE MOTION
Description : When a person sitting on a swing stands up on the swing, the frequency of oscillation (1) decreases (2) increases (3) becomes infinite (4) does not change
Last Answer : increases
Description : In a transistor Colpitts oscillator, C1 = 0.001 µF, C2 = 0.01 µF and L = 5 µH. The frequency of oscillation in MHz will be (a) 2.37 MHz (b) 10.00 MHz (c) 11.54 MHz (d) 9.09 MHz
Last Answer : c
Description : Feedback factor at the frequency of oscillation of a Wien bridge oscillator is: (1) 3 (2) 1/3 (3) 1/29 (4) 3/29
Last Answer : Feedback factor at the frequency of oscillation of a Wien bridge oscillator is: 1/3.
Description : The quality of sound depends upon its (a) Waveform (b) Frequency (c) Loudness (d) Pitch
Last Answer : Ans:(a)
Description : The magnitude of saturation photo electric current depends upon (a) Frequency (b) Intensity (c) Work function (d) Stopping potential
Last Answer : Ans:(b)
Description : Which of the following statements concerning AC circuits is correct? A. The power factor of a resistive circuit is always zero. B. True power in an inductive circuit always equals apparent power. ... . D. Total opposition to the flow of alternating current depends upon the amount of reactive power.
Last Answer : Answer: C
Description : For the same dimensions of the shaft which of the following has the greater natural frequency? A. Transverse B. Longitudinal C. Depends on thickness D. Depends upon length
Last Answer : B. Longitudinal
Description : For the same dimensions of the shaft which of the following has the greater natural frequency? (A) Transverse (B) Longitudinal (C) Depends on thickness (D) Depends upon length
Last Answer : (B) Longitudinal
Description : For the same dimensions of the shaft which of the following has the greater natural frequency? a) Transverse b) Longitudinal c) Depends on thickness d) Depends upon length
Last Answer : b) Longitudinal
Description : The emission of number of photo electrons depends upon a) The colour of the body b) The frequency of incident light c) The intensity of light d) All of the above
Last Answer : c) The intensity of light
Description : When a certain beam of light falls upon a metal surface, it ejects photoelectrons from it. The number of photoelectrons ejected per second by the beam of light depends upon one of the following. Is it ... the work function of the metal y) the frequency of the beam z) the intensity of the beam
Last Answer : ANSWER: Z -- THE INTENSITY OF THE BEAM
Description : The ENERGY associated with a photon depends upon the photon's: w) velocity x) frequency y) amplitude z) the brightness of the source from which it comes
Last Answer : ANSWER: X -- FREQUENCY
Description : The degree of protection by ground wire depends upon the a. Arcing angle b. Shielding angle c. Power factor d. All of above
Last Answer : The degree of protection by ground wire depends upon the a. Arcing angle b. Shielding angle c. Power factor d. All of above
Description : Voltage required to operate a neon-sign tube depends upon
Last Answer : Voltage required to operate a neon-sign tube depends upon length of the tube
Description : Hysteresis loss in a transformer depends upon: - a) both voltage and frequency b) voltage alone c) frequency alone d) none of these
Last Answer : Hysteresis loss in a transformer depends upon: - both voltage and frequency
Last Answer : Reluctance offered by the magnetic circuit depends upon nature of magnetic material, length of magnetic flux path, cross-sectional area of the material.
Last Answer : The noise generated by a resistor depends upon its operating temperature.
Description : A body in Simple Harmonic Motion will attain maximum velocity when it passes through a.Point of 0.75 amplitude b.Extreme point of the oscillation of L.H.S. c.Point of half amplitude d.Extreme point of the oscillation at R.H.S. e.Mean position
Last Answer : e. Mean position
Description : A particle is moving in Simple Harmonic Motion in a simple pendulum with some period of oscillation. Now in order to double the period of oscillation a.The length of pendulum should be quadrupled b.The ... length of pendulum should be reduced to one fourth e.The mass of the bob should be doubled
Last Answer : a. The length of pendulum should be quadrupled
Description : Explain the difference between rotation , motion speed and oscillation speed ?
Last Answer : If an object rotates around its center point, it is called rotational speed. If the motion of an object is along a straight line, then this motion is called motion motion. If a particle with ... In the case of oscillation motion, the object is reversed during one period and reversed the other half.
Description : What is full oscillation or full vibration ?
Last Answer : : The phenomenon of a vibrating object particle , moving back and forth at a point in the upper corner of its trajectory and then moving in that direction back to that point is called full oscillation or full vibration.
Description : What is oscillation or vibration ?
Last Answer : : If a particle with a periodic motion moves in the same direction over and over again, its motion is called oscillation or vibration. Thus , oscillation or vibration is periodic motion but not all periodic motion oscillation or vibration.
Description : What is simple oscillation speed ?
Last Answer : : If the acceleration of an object with periodic motion in a corner is proportional to its displacement from its equilibrium and inverse, i.e. always towards the equilibrium point, then the motion of that object is called simple oscillation motion.
Description : What is the oscillation signal ?
Last Answer : oscillation signal T.
Description : What is oscillation ? What is oscillation ?
Last Answer : The time it takes for a vibrating object to complete a full oscillation is called oscillation period.
Description : What is the oscillation period of the pendulum in the center of the earth ?
Last Answer : The oscillation of the pendulum in the center of the earth is infinite.
Last Answer : oscillation motion is the speed at which an object moves forward or backward in a position.
Last Answer : Hygens invented the oscillation clock.
Description : The time `t` of a complete oscillation of a simple pendulum of length `l` is given by the equation `T=2pisqrt(1/g)` where `g` is constant. What is the
Last Answer : The time `t` of a complete oscillation of a simple pendulum of length `l` is given by the equation `T= ... error in `T` when `l` is increased by 1%?
Description : A capacitor in an LC oscillation has a maximum potential difference of 1.5 and a maximum energy `360muJ`. At a certain instant `t=t_(0)`, the potentia
Last Answer : A capacitor in an LC oscillation has a maximum potential difference of 1.5 and a maximum energy `360muJ`. ... is 5 volt D. The value of V is 10volt
Description : Comparing L-C oscillation with the oscillation if spring-block-system, match the following table. Comparing L-C oscillations with the oscillations of
Last Answer : Comparing L-C oscillation with the oscillation if spring-block-system, match the following table. Comparing L-C ... ,x),(,,,(T),"None"):}`
Description : The time taken by a pendulum to complete one oscillation is called its?
Last Answer : Time period
Description : Which of the following phenomena is supposedly associated with global warming? (1) El Nino (2) La Nina (3) El Nino Modoki (4) Southern Oscillation
Last Answer : (1) El Nino Explanation: El Nino is an irregularly periodical variation in winds and sea surface temperatures over the tropical eastern Pacific Ocean. Scientists have found association with El ... and magnitude of El Nino events have triggered warmer than usual temperatures over the Indian Ocean.
Description : The work done by the string of a simple pendulum during one complete oscillation is equal to (1) Total energy of the pendulum (2) Kinetic energy of the pendulum (3) Potential energy of the pendulum (4) Zero
Last Answer : (4) Zero Explanation: Work done by the string of the simple pendulum during one complete oscillation is zero. Tension in the string exactly cancels the component parallel to the string. This leaves a net restoring force back toward the equilibrium position as equal to zero.
Description : Second’s pendulum is a pendulum which executes one oscillation in: (1) Half a second (2) One second (3) Two seconds (4) None of these
Last Answer : (3) Two seconds Explanation: A pendulum is a weight suspended from a pivot so that it can swing freely. A seconds pendulum is a pendulum whose period is precisely two seconds; one second for a swing in one direction and one second for the return swing, a frequency of 1/2 Hz.
Description : For which Diode is used? (1) modulation (2) oscillation (3) amplification (4) purificationin
Last Answer : (4) purificationin Explanation: The most common function of a diode is to allow an electric current to pass in one direction (called the diode's forward direction), while blocking current in the ... ) resistance to current flow in one direction, and high (ideally infinite) resistance in the other.
Description : Period of oscillation of 3 cm microwaves in seconds is (1) 1 x 10¹⁰ (2) 1 x 10⁻¹⁰ (3) 0.01 (4) 0.001
Last Answer : (2) 1 x 10⁻¹⁰ Explanation: The period of oscillation of 3 cm microwaves is 1 x 10^-10 (Physics, Volume 1, by Halliday). The period of oscillation is the smallest interval of time in which a system undergoing oscillation returns to the state it was in at the beginning of the oscillation.
Description : If the length of a simple pendulum is halved then its period of oscillation is - (1) doubled (2) halved (3) increased by a factor √ 2 (4) decreased by a factor √ 2
Last Answer : (4) decreased by a factor √ 2
Description : What are the conditions for oscillation?
Last Answer : The total phase shift of an oscillator should be 360 degree. For feedback oscillator it should satisfy Barhausen criterion.
Description : Due to energy dissipation by viscous forces in air, if simple harmonic variations of a pendulum die away after some time, then oscillation is said to be: A. undamped B. free C. damped D. dependent
Last Answer : damped
Description : The time taken by the body to complete one oscillation is called
Last Answer : time period.
Description : Oscillation of pendulum is an example of
Last Answer : simple harmonic motion.
Description : Define the following with reference to simple harmonic motion. a) Amplitude b) Oscillation c) Time period
Last Answer : a) The maximum displacement of the particle on either side of the equilibrium position is called amplitude. b) One complete to and fro motion of the particle about its mean position is called oscillation
Description : Which of the following is associated with a La Niña event? (a) The Southern Oscillation Index (SOI) is strongly negative. (b) The ocean surface off the coast of South America is warmer than usual. (c) There is an increased chance of above average rainfall in eastern Australia. (d) All of the above.
Last Answer : (c) There is an increased chance of above average rainfall in eastern Australia.
Description : The time of oscillation of a floating body is (A) Longer, if Metacentric height is increased (B) Independent of the Metacentric height (C) Dependent on the buoyant forces only (D) None of these
Last Answer : (D) None of these