2 years ago

Which statement about cathode ray tubes (CRTs) is true?

Engineering

1 answer:

yuradex [85]2 years ago

6 0

Answer:

CRTs consume less power than LCDs.

hope it helps (^^)

# Cary on learning

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You are working in a lab where RC circuits are used to delay the initiation of a process. One particular experiment involves an

Ymorist [56]

Answer:

$t'_{1\2} = 6.6 sec$

Explanation:

the half life of the given circuit is given by

$t_{1\2} =\tau ln2$

where [/tex]\tau = RC[/tex]

$t_{1\2} = RCln2$

Given $t_{1\2} = 3 sec$

resistance in the circuit is 40 ohm and to extend the half cycle we added new resister of 48 ohm. the net resitance is 40+48 = 88 ohms

now the new half life is

$t'_{1\2} =R'Cln2$

Divide equation 2 by 1

$\frac{t'_{1\2}}{t_{1\2}} = \frac{R'Cln2}{RCln2} = \frac{R'}{R}$

$t'_{1\2} = t'_{1\2}\frac{R'}{R}$

putting all value we get new half life

$t'_{1\2} = 3 * \frac{88}{40} = 6.6 sec$

$t'_{1\2} = 6.6 sec$

7 0

4 years ago

City A and city B are located at the same latitude and elevation. City A is a coastal city, and city B is located far inland. A

jenyasd209 [6]

Answer:

Option 4

Explanation:

8 0

3 years ago

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A circular pipe of 25-mm outside diameter is placed in an airstream at 25 °C and 1-atm pressure. The air moves in cross flow ove

Scrat [10]

Answer: a) Fd = 3.24 N/m

b) Q = 520 w/m

Explanation: please find the attached files for the solution

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3 years ago

Which dimension of wellness focuses on finding enjoyment and satisfaction in daily endeavours?

UNO [17]

Answer:

I believe its emotional because it says satisfaction and most of the time that has to deal with emotions running through the body.

Explanation:

5 0

3 years ago

John Deere invented the phonograph.

Travka [436]

False? i think false yes false

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3 years ago