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2 years ago

6

When a p-n-p transistor is operated in saturation region, then its ___________

1 answer:

Likurg_2 [28]2 years ago

8 0

Answer:

Base-emitter and Base-collector junctions are forward biased

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Which equation was used by Albert Einstein to explain the photoelectric effect? [E = energy, h = Planck’s constant, and v = freq

Afina-wow [57]

Answer:

E = hv

Explanation:

The photoelectric effect is a phenomenon when the electromagnetic waves of a particular wavelength strike on the metal plate like zinc, it ejects the free electrons.
The ejected electrons have the kinetic energy and this energy is responsible for the electric energy.
The kinetic energy of the emitted electrons is linked with the frequency of the incident rays.
If the rays hitting the metal plate is below the minimum required threshold value, the photoelectrons are not ejected.
The photoelectric equation is given by

E = hν - ∅

Where, ∅ is the minimum energy required to remove an electron.

6 0

2 years ago

An artillery shell is launched on a flat, horizontal field at an angle of α = 40.8° with respect to the horizontal and with an i

Lina20 [59]

Answer:

1317.4 m

Explanation:

We are given that

Angle= $\alpha=40.8^{\circ}$

Initial speed = $v_0=346m/s$

We have to find the horizontal distance covered by the shell after 5.03 s.

Horizontal component of initial speed= $v_{ox}=v_0cos\theta=346cos40.8=261.9m/s$

Vertical component of initial speed= $v_{oy}=346sin40.8=226.1m/s$

Time=t=5.03 s

Horizontal distance = $Horizontal\;velocity\times time$

Using the formula

Horizontal distance= $261.9\times 5.03$

Horizontal distance=1317.4 m

Hence, the horizontal distance covered by the shell=1317.4 m

8 0

2 years ago

What is an emergent ray

dangina [55]

Answer:

Explanation:

the light ray leaving a medium in contrast to the entering or incident ray.

5 0

2 years ago

If it takes you 20 joules of work to move a couch 10 meters in 10 seconds, what is the power?

Debora [2.8K]

Answer:

Power = 2 j/s

Explanation:

Power = Work / Time

= 20/10

= 2 j/s

4 0

2 years ago

The ratio between the force of sliding friction and the normal force of an object is called?

Vanyuwa [196]

The answer is the starting friction

5 0

2 years ago

Read 2 more answers