49. The cross-sectional dimensions of the copper strip shown are 2.0 cm by 2.0 mm. The strip carries a current of 100 A, and it is placed in a magnetic field of magnitude B = 1.5 T. What are the value and polarity of the Hall potential in the copper strip? 2.0 cm X 2.0 mm

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A: Given that:-Resistance, R=68.8ΩVoltage, V=78 VoltWe know that:-Power, P=V2R      Equation 1

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A: The expression for the output voltage is,

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A: Given, Number of turns in the primary coil=79turns Number of coil in the secondary coil=425turns…

Q: oF 45 40 35 30 25 20 15 10

A:

Q: las wer in Amper

A: Given: Resistor is 25 ohm Charge is 1955 C Time is 2 minutes

Q: What is the Power (Watts) dissipated in a 25 Ohm circuit if it has 3.0 Amps of current?

A: SOlution: Given that current I =3 Amps Resistance r = 25 Ohm the power dissipates

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A:

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A:

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A: In this question we have to answer whether it is possible for a path to be a circuit too.

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A:

Q: 4kQ 12 V 41, 2ko 8kQ 4kQ V.

A: in given fig  voltage = 12 volt For series  R = R1 + R 2+ R3 For parallel  1 / R = 1 / R 1+1 / R2 2…

Q: What battery voltage is necessary to supply 0.41 A of current to a circuit with a resistance of 16…

A: Given : Current (I) = 0.41 A Resistance (R) = 16 Ω

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A: The initial input of the transformer is Vi = 80 V. The initial output of the transformer is Vo = 55…

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A:

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Q: Ohm’s law is a fundamental law of nature. State true or false. a) True b) False

A: B

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A:

Q: Calculate the current in a 1500-W hairdryer when it is plugged in to 120 V.

A: Power in hairdryer:P=I2RP=VIso,v2R=VIwhere I=currentV=voltage=120 vP=power=1500 w

Q: 2. Explain the different types display devices with a neat diagram.

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A: We know ,Power  P=I2R or R=PI2 here , I is current and R is resistance

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Q: What is the charge of an atom with 16 protons and 18 electrons?

A: We know that charge of 1 proton is 1.6022 x 10-19 coulomb                     charge of  1 electron…