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- A positive charge moves near a very long wire carrying a current as shown. If the 3.9 C charge moves at 9×105 m/s and is 11 cm away from the 3 A current in the long wire, what is the magnitude of the force on the charge? (in N) a.1.91×101 b. 6.01×101 c. 1.05×107 d. 5.40×10-1ok The electric force acting on a proton placed in a downward electric field of magnitude 3x10° N/C is O a 4.8x10 N, upward O b. 5.33x10-26 N, downward Oc. 4.8×10N, downward O d. 5.33x10-26 N, upward A current of SA passes through a wire. The number of electrons crossing a point in the wire in 1 minut a. 3.12x1019An electric current is given by I(t) = 100sin(20rt), where I is in amperes and t is in seconds. What is the total charge (in C) carried by the current from t = 0 tot = (1/20) s? Lütfen birini seçin: a. 0.21 b. 1.6 O c. 0.8 O d. 0.47 e. 3.2
- A current of 4A passes through a wire. The number of electrons crossing a point in the wire in 5 minutes is O a. 1.602x10-19 O b. 1.248 x1019 O c. 7.491 x1021 O d. 0 A football player kicks a football with a force of 400 N, north direction. The football hits the foot of the player wi th a force Select one: O a. Less than 400 N, south direction O b. Exactly 400 N, north direction O c. Exactly 400 N, south direction O d. ONThe current measured when 5.0 C travels through a conducting wire in 1.5 s is: a. 3.3 V b. 3.3 A c. 7.5 C d. 7.5 AThe charge passes through a conductor carrying a current I= 2t + 5 (A) in one minute is: Select one: O a. 3900c O b. 125c O c. 7.0c O d. 2.0c
- The compressor on an air conditioner draws89.1 A when it starts up. The start-up time isabout 0.243 s.How much charge passes a cross-sectionalarea of the circuit in this time?Answer in units of C.What is the current (in A) when a typical static charge of 0.340 µC moves from your finger to a metal doorknob in 4.00 µs?A defibrillator passes 12.0 A of current through the torso of a person for 0.0100 s. How much charge moves?
- The discharge of the electric eel can transfer a charge of 2.0x10-3C in a time of 2.0 ms. What current, in A, does this correspond to?3. A metallurgist wants to goldplate a thin sheet with the following dimensions: 1.5 in. x 8.5 in. x 0.0012 in. The gold plating must be 0.0020 in. thick. (a) How many grams of gold (p = 19.3 g/cm³) are required? (b) How long will it take to place the sheet from AUCN using a current of 7.00 A? Assume 85% efficiency.A current of 1.5 A flows through a conductor for 2.0 s. What amount of charge passes through the conductor ?