Electrical Engineering - Quantities and Units - Discussion

Discussion Forum : Quantities and Units - General Questions (Q.No. 5)
5.
The number of kilowatts in 135 milliwatts is
1.35 × 10–4 kW
135 × 10–3 kW
0.0135 kW
0.00135 kW
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
46 comments Page 2 of 5.

Mohan said:   1 decade ago
Consider that we have 1 milliwatt.

Now,

=> 1 milliW = 1*10^-6 KW.
=> 135 milliW = x KW.
=> (cross multiplying above).

x = 135*10^-6 KW.

x = 1.35*10^-4 KW (shifting upto 2 decimal points).

Tandel hiren said:   1 decade ago
1000 mw = 1 w.
135 mw = 0.135 w.

So 1000 w = 1 kw.
0.135 w = 1.35*10-4.

Samuel timothy said:   1 decade ago
Am very impressed wit this workings, and it improved me.

Vedasri t said:   1 decade ago
Thank you for explanation, good.

Darshit Shah said:   10 years ago
135 mw = 0.135 w.

= 0.135E-3 KW.

(135/10E 3)*(E - 3).

= 135*E-6 KW.

= 13.5*E-5 KW.

= 1.35*E-4 KW.

Peekay said:   10 years ago
The most important term here is 1mW = 1000W.

Vimukth john said:   9 years ago
135 milliwatts = 13.5 watts.
Now 1 kilowatt = 1000 watts.

So 1 watt = 0. 001 kilowatts.
Hence 135 milliwatts = 13.5 * 0.001 kilowatts.
= 13.5 * 10^-3 kW.
= 1.35 * 10^ -4.

Md jakir hosen said:   9 years ago
We know 1 milliwatt = 10^-3.
So, 135 milliwatts = 135 * 10^-3 = 0.135 w.

We also know 1kw = 1000 w.
So the result is (0.135/1000) = 1.35 * 10^-4.

Vipin verma said:   9 years ago
135 milliwatts = 135 x 10^-3 watt = 135 x 10^-6,

135 x 10^-6 = 13.5 x 10^-5 = 1.35 x 10^-4 is the answer.

Himansu said:   9 years ago
135milli watt = 135 * 10^-3 watt,
1 watt = 0.001 kw
So 135 * 10^-3 watt.
= 0.001 * 135 * 10^-3 = 0.000135 Kw = 1.35 * 10^-4 kw.


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