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A sinusoidal voltage with a peak value of 81 V is applied across a resistor.The mean power dissipated in the resistor is 48 W. What direct current causes a power of 48 W to be dissipated in the resistor?

Use the information below to answer Question 09 and Question 10. A charged particle has mass m and charge +0. The particle is travelling with a horizontal velocity v when it enters a uniform magnetic fieldof flux density B. The magnetic field is horizontal and at right angles to v. The region of the field has a height h. Ignore the effect of gravity in these questions.

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