An electric current in a conductor varies with time according to the expression I(t) = 90 sin (90mt), where I is in amperes and t is in seconds. What is the total charge passing a given point in the conductor from t= 0 to t = 1/120 s? 5.81 x The charge is the integral of the current. C Need Help? Read It Watch It
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- An 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. 3.2O d. The S.l. unit for electric charge is Ampere A house is 40.0 ft long and 20 ft wide and has 8.0 ft-high ceilings. What is the volume of the interior of the house? [1 foot = 0.305m] O a. 181.58 m² O b. 6400 m² Oc 595.36 m² O:c. O d. 1952 m2 A car moving with a velocity of 20m/s in the north direction, is FallowingSolve the following: 1. How many nanocoulomb are there in 3.65 billion electrons ? 2. A 25 ampere electric current flows in a conductor in 75 millisecond. Find: a. current equivalent in mA? b. How many charges are transferred ? c. How much work is required to transfer if 3V is applied. 3. A charge of 3.5 µC present in an electric field produces a force of 0.008 Newton. What is the intensity of the electric field ? 4. A charge of 0.6 µC is placed in an electrostatic field whose intensity is 3 x 105 N/C. How strong is the force acting on the charge ? 5. Two objects are both negatively charge with 0.04 coulomb each and 140 cm apart. What kind of force exist Between charges? How much? 6. Find the force that exist between two charges of 8.53 μC and 4.5 µC that 0.25 meters in air?
- 1.9. A block of conductor has the dimensions Lo x 2Lo x 4Lo. As shown in the figure below, the same battery is connected across the conductor in three different configurations. Which configuration draws the smallest current from the battery? All configurations draw equal current. 21 Lo 4Lo 4LO (a) (b) (c) (d)sq 4. Maximum surface resistance. Consider a square sheet of side L, thickness d, and electrical resistivity p. The resistance measured between opposite edges of the sheet is called the surface resistance: R = pL/ Ld = p/d, which is independent of the area of the sheet. (R is called the resistance per square and is expected in ohms per square, because p/d has the dimensions of ohms.) If we express p by p=m/ne²t, then Rq=m/ndet. Suppose now that the minimum value of the collision time is determined by scattering from surfaces of the sheet, so that Td/v, where v is the Fermi velocity. Thus the maximum surface resistivity is Rmvp/nd²e². Show for a monatomic metal sheet one atom thickness that sq Rħ/e² = 4.1k, where lkn is 10³ ohms. sqThe voltage V (volts), current I (amperes), andresistance R (ohms) of an electric circuitare related by the equation V = IR. Suppose that V is increasing atthe rate of 1 volt/sec while I is decreasing at the rate of 1/3 amp/sec. Let t denote time in seconds. What equation relates dR/dt to dV/dt and dI/dt?
- e2. 8. If a uniform wire of resistance R has been divided into three equallengths, one of which is looped into a circle and attached to the other twowires, as shown below, what will be the resistance between the terminalsa and b?The voltage V (volts), current I (amperes), andresistance R (ohms) of an electric circuitare related by the equation V = IR. Suppose that V is increasing atthe rate of 1 volt/sec while I is decreasing at the rate of 1/3 amp/sec. Let t denote time in seconds. What is the value of dV/dt?1. Find the current IA, IB, IL. A 24√ IL 0.452 M H I₁ 0.80 B E IL 0.45 Is €265
- A charge of 0.060 mC flowed through a wire for 2.4 s. What was the current in this wire? answer in microamperes. how do you calculate this? I converted mC to C and I divided it by 2.4 s and I converted to amperes. i don't know if I did the conversions right or anything can someone clarifyUse "E" as the symbol for Voltage. R, R, If ɛ = 12 V, R1 = 3.0 Q and R2 = 6.0 Q, what is.. a. The total resistance of the circuit? b. The total current in the circuit? c. The voltage across R2?mobile battery during a charge cycle are shown in 1.26 The voltage and current at the terminals of an auto- Fig. P1.26. a) Calculate the total charge transferred to the battery. b) Calculate the total energy transferred to the battery. Figure P1.26 v (V) bnohostib 24 Loiwollol sd lo 16 8- 8. 12 16 20 t (ks) i (A) maxi 24 16 8- the che 4 8. 12 16 20 t (ks)