Determine the time constant of the circuit

Assignment Help Physics

Reference no: EM13317345

A capacitor is charged to a potential of 12.0 V and is then connected to a voltmeter having an internal resistance of 3.50M%u03A9 . After a time of 3.90s the voltmeter reads 3.0V .

A) What is the capacitance?

B) What is the time constant of the circuit?

Reference no: EM13317345

Questions Cloud

Find the piles design capacity if the factor of safety is 2 : A 12-in. square concrete pile is driven into clay to a depth of 40 feet. Unit weight is 115 pcf, and qu is 2000 ksf. Find the pile's design capacity if the factor of safety is 2.

Determine the allowable bearing capacity of safety of 3 : Supporting soil has a unit weight of 125 pcf. The results of laboratory tests on the soil samples indicated that the supporting soil's cohesion and angle of internal friction are 1200 psf and 25 degrees, respectively.

What is the original speed of the father : A father racing his son has two-fifths the kinetic energy of the son, who has one-third the mass of the father. The father speeds up by 1.0 m/s, What is the original speed of the father

Why do unions emphasize the need for cohesiveness : Why do unions emphasize the need for cohesiveness? If employees vote to be represented, the employer and the union must bargain within the realities of the ______________ in which they operate.

Determine the time constant of the circuit : A capacitor is charged to a potential of 12.0 V and is then connected to a voltmeter having an internal resistance of 3.50M%u03A9. What is the time constant of the circuit

Find the piles axial capacity if k is assumed to be 7 : A 12-in. square concrete pile is driven into loose sand to a depth of 30 feet. Unit weight is 118 pcf, internal friction is 30 degrees. Find the pile's axial capacity if K is assumed to be 0.7 and the factor of safety is 2.

Determine the dimension of this proposed footing : A proposed square footing carrying a total load of 500 kips is to be constructed on a uniform thick deposit of dense cohesionless soil. The soil's unit weight is 135 pcf, and its angle of internal friction is 38 degrees.

Estimate the design capacity of the pile group : A pile group consist of four piles in cohesive soil. Each pile's diameter is 0.4 m, and center to center spacing is 1.2 m. The ultimate capacity of each pile is 300 kN. Estimate the design capacity of the pile group, using a factor of safety of 2

What is the x-component of the electric field at p then : a coaxial cable consists of a long straight filament surrounded by a long coaxial cylindrical conducting shell assume charge Q is on the filament zero net charge is on the shell and the electric field is E at a particular point P

User Account

All Pages