An infinitely long current-carrying wire carries steady current that increases in time as i = at and is wrapped around an infinitely long solenoid of radius R, making n turns per unit length. If the axis of the solenoid points directly out of the page and the current is clockwise on the cylinder, find (a) the maximum emf through a circular conducting loop of radius R/3 that is inside the solenoid and (b) the direction of the induced current in the loop. (a) HonaлR2/9 (a) MonaлR²/9 HonaлR²/9 (a) Ozero (a) (a) 2μonaлR/9 2μnaлR (b) clockwise (b) counter-clockwise (b) left (b) counter-clockwise (b) up
An infinitely long current-carrying wire carries steady current that increases in time as i = at and is wrapped around an infinitely long solenoid of radius R, making n turns per unit length. If the axis of the solenoid points directly out of the page and the current is clockwise on the cylinder, find (a) the maximum emf through a circular conducting loop of radius R/3 that is inside the solenoid and (b) the direction of the induced current in the loop. (a) HonaлR2/9 (a) MonaлR²/9 HonaлR²/9 (a) Ozero (a) (a) 2μonaлR/9 2μnaлR (b) clockwise (b) counter-clockwise (b) left (b) counter-clockwise (b) up
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