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Nuetrik [128]
4 years ago
14

Which set of arrows represents the induced magnetic force? A B C

Physics
1 answer:
vazorg [7]4 years ago
3 0
<span>The answer would be b because b has a set of arrows represents the induced magnetic force</span>
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An insulated beaker with negligible mass contains liquid water with a mass of 0.240 kg and a temperature of 75.8°C . How much ic
sweet [91]

Answer:

Explanation:

Let mass of ice required is m kg

Heat gained by ice to attain zero degree

= m x 14.1 x 2100

= 29610m J

Heat gained by ice to melt = m x 3.34 x 10⁵ J

= 334000m J

Heat gained by water at zero degree to warm up to 27 degree

m x 4190 x 27 =113130 J

Total heat gained = 476740m J

Heat lost by hot water to cool up to 27 degree

.24 x 4190 x ( 75.8 - 27 )

= 49073.28 J

Heat lost = heat gained

476740 m = 49073.28

m = 49073.28/476740 kg

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8 0
3 years ago
A 9 µF capacitor and a 16 H inductor are connected in series with a 60 Hz source whose rms output is 116 V. Find the rms current
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Answer:

19.2 mA

Explanation:

C = 9 micro farad = 9 x 10^-6 F

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X_{L}=2\times \pi \times f\times L

X_{L}=2\times 3.14 \times  60 \times 16

XL = 6028.8 ohm

X_{C}=\frac{1}{2 \times \pi  \times f \times C}

X_{C}=\frac{1}{2\times 3.14  \times 60 \times 9 \times 10^{-6}}

Xc = 294.88 ohm

Let Z be the impedance of the circuit.

Z=\sqrt{X_{L}^{2}+X_{C}^{2}}

Z=\sqrt{6028.8^{2}+294.88^{2}}

Z = 6036 ohm

I_{rms}=\frac{V_{rms}}{Z}

I_{rms}=\frac{116}{6036}

Irms = 0.0192 A

Irms = 19.2 mA

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