Description : Speed in a given direction A. Wavelength B. Frequency C. Velocity D. Waves per second
Last Answer : A. Wavelength
Description : A helicopter is ascending vertically with a constant speed of 6 meters per second relative to the ground. At the instant the helicopter is 60 meters above the ground it releases a package. What is ... of the package, relative to the ground, the instant the package is released by the helicopter?
Last Answer : ANSWER: 6 METERS/SECOND UP
Description : A boy is standing on an elevator which is traveling downward with a constant velocity of 30 meters per second. The boy throws a ball vertically upward with a velocity of 10 meters per second ... the ball, MAGNITUDE AND DIRECTION, relative to the elevator shaft the instant the boy releases the ball?
Last Answer : ANSWER: 20 METERS PER SECOND DOWN
Description : The best definition of polarisation is a) Orientation of dipoles in random direction b) Electric dipole moment per unit volume c) Orientation of dipole moments d) Change in polarity of every dipole
Last Answer : b) Electric dipole moment per unit volume
Description : If the Earth's magnetic field lines pass through the Hall probe in opposite direction, then the change in reading of voltmeter is A. thrice the Earth's magnetic flux density B. four times the Earth ... C. five times the Earth's magnetic flux density D. twice the Earth's magnetic flux density
Last Answer : twice the Earth's magnetic flux density
Last Answer : About 300-600 times per second
Description : Energy emitted per second per unit area by Rigal star in Constellation Orion is 17000 times that emited by the sun. What is the surface temperature of
Last Answer : Energy emitted per second per unit area by Rigal star in Constellation Orion is 17000 times that emited by ... star if that of the sun is `6000K`?
Description : A particle carrying a charge equal to `100` times the charge on an electron is rotating per second in a circular path of radius `0.8 metre`. The value
Last Answer : A particle carrying a charge equal to `100` times the charge on an electron is rotating per second in a circular path ... 6)mu_(0)` D. `10^(-7)mu_(0)`
Description : What do you call a measure of how many times an object vibrates per second?
Last Answer : That is called the frequency of the vibration. A common unit isthe hertz, equal to cycles per second (or in this case, vibrationsper second).
Description : Which of the following memories must be refreshed many times per second? A) Static RAM B) Dynamic RAM C) EPROM D) ROM
Last Answer : Answer : B
Description : The heart rate in an adult person is – (1) 50-60 times per minute (2) 70-80 times per hour (3) 70-80 times per second (4) 70-80 times per minute
Last Answer : (4) 70-80 times per minute Explanation: Heart rate refers to the speed of the heartbeat, specifically the number of heartbeats per unit of time. The heart rate is typically expressed as beats per minute ( ... heart rate ranges from 60- 100 bpm; however 70-80 bpm is treated as the normal in adults.
Description : A sample rate of ________is required for a good quality representation of telephone conversation. (A) 4500 times per second. (B) 700 integer sample points per minute. (C) 50 times per second per mile of distance travelled. (D) 8000 times per second.
Last Answer : (C) 50 times per second per mile of distance travelled.
Description : What is the term for the number of times per second that tank circuit energy is either stored in the inductor or capacitor?
Last Answer : Natural frequency or resonant frequency (f r).
Description : The _____ is equal to the number of electrons emitted per second times the electron charge ∙ a. Intensity ∙ b. Optical power ∙ c. Photocurrent ∙ d. Responsitivity
Last Answer : c. Photocurrent
Description : Which of the following memories must be refreshed many times per second? a. Static RAM b. Dynamic RAM c. EPROM d. ROM
Last Answer : b. Dynamic RAM
Description : Which of the following memories must be refreshed many times per second? (1) ROM (2) Dyanamic RAM (3) EPROM (4) Static RAM
Last Answer : Dyanamic RAM
Description : The heart rate in an adult person is (1) 50-60 times per minute (2) 70-80 times per hour (3) 70-80 times per second (4) 70-80 times per minute
Last Answer : 70-80 times per minute
Description : Capacitance in an AC circuit will _____________. A. stop current flow once the capacitor is fully charged B. allow current flow in only one direction C. oppose any change in circuit voltage D. rectify the current
Last Answer : Answer: C
Description : “The direction of induced current is always so as to oppose the change which causes the Current” is the statement of: a. Faraday’s law b. Lenz’s Law c. Ohm’s Law d. Kirchoff’s rule.
Last Answer : c. Ohm’s Law
Description : How does AC current change direction?
Last Answer : This is because the angle at which the magnetic fields cuts across a winding changes its poles thus current has to change dirention .
Description : An electron gun emits `2.0xx10^(16)` electrons per second. What is the associated current ?
Last Answer : An electron gun emits `2.0xx10^(16)` electrons per second. What is the associated current ?
Description : In a hydrogen atom, the electron makes about `0.6xx10^(16)` revolutions per second around the nucleus. Determine the average current at any point on t
Last Answer : In a hydrogen atom, the electron makes about `0.6xx10^(16)` revolutions per second around the nucleus. ... at any point on the orbit of the electron.
Description : An electron revolves in a circule at the rate of `10^(19)` rounds per second. The rquivlent current is `(e=1.6xx10^(-19)C)`
Last Answer : An electron revolves in a circule at the rate of `10^(19)` rounds per second. The rquivlent current is `(e=1.6xx10^( ... B. `1.6A` C. `2.0A` D. `2.6A`
Description : Sum of e.m.f around any loop equals A. sum of current B. sum of potential difference C. sum of resistances D. sum of charges passing through it per second
Last Answer : sum of potential difference
Description : Would someone armed with a firearm, typical of the time the second amendment was passed, be able to conduct massacres of the type we experience in our country today?
Last Answer : Multiple-shot weapons existed back then.
Description : Two mutually exclusive projects are being considered. Neither project will be repeated again in the future after their current lives are complete. There exists a potential problem though -- ... NPV technique and simply choose the highest IRR since managers are concerned about maximizing returns.
Last Answer : A. Rely on the NPV method and make your choice as it will tell you which one is best.