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Elanso [62]
2 years ago
11

Josh tests an unknown liquid substance using litmus paper. When he compared the used litmus paper to a pH scale, the color match

es with a 3.5 of the scale. What kind of substance did Josh test?
Physics
1 answer:
Hunter-Best [27]2 years ago
8 0

Answer:

acid

Explanation:

because ph below 7 is acid

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The magnetic field produced by the solenoid in a magnetic resonance imaging (MRI) system designed for measurements on whole huma
Vesna [10]

Answer:

Number of turns per unit length will be n=2.786\times 10^4turns/m

Explanation:

We have given that strength of the magnetic field produced by the solenoid B = 7 T

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Let the number of turns per unit length is n

Magnetic field due to solenoid is given as B=\mu ni here \mu is permeability of free space n is number of turns per unit length and i is current

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7 0
3 years ago
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What is the potential difference (voltage) if the resistance of 20 ohms produces a current of 10 amperes?
JulijaS [17]

Answer:

200 volts

Explanation:

Ohm's Law: V = IR

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8 0
3 years ago
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Rzqust [24]

Answer: Descartes was more of speed which defers from modern day velocity.

Explanation:

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