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The detonation of a certain nuclear device results in a mass…

The detonation of a certain nuclear device results in a mass decrease of between the initial and the final ingredients. How much energy is released by this detonation?

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A circular coil of radius 5.0 cm and resistance 0.20 Ω is pl…

A circular coil of radius 5.0 cm and resistance 0.20 Ω is placed in a uniform magnetic field perpendicular to the plane of the coil. The magnitude of the field changes with time according to B = 0.50e-20t T. What is the magnitude of the current induced in the coil at the time ?

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An electron in a hydrogen atom has orbital quantum number l…

An electron in a hydrogen atom has orbital quantum number l = 7. How many possible values of the magnetic quantum number ml could it have?

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A round loop of diameter 12 cm, carrying a current of 0.40 A…

A round loop of diameter 12 cm, carrying a current of 0.40 A, is placed inside a magnetic field = 0.20 T + 0.40 T . The normal to the loop is parallel to the unit vector What is the potential energy of the loop?

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An alternating current is supplied to an electronic componen…

An alternating current is supplied to an electronic component with a warning that the voltage across it should never exceed What is the highest rms voltage that can be supplied to this component while staying below the voltage limit in the warning?

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The phase angle of an LRC series circuit with a capacitive r…

The phase angle of an LRC series circuit with a capacitive reactance of 40 Ω, a resistor of 100 Ω and a certain inductor at 1000 Hz is 40.0°. What is the value of the inductance in this circuit?

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Living matter has 1.3 × 10-10 % of its carbon in the form of…

Living matter has 1.3 × 10-10 % of its carbon in the form of 14C which has a half-life of 5730 y. A mammoth bone has a 300-g sample of carbon separated from it, and the sample is found to have an activity of 20 decays per second. How old is the bone?

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A series circuit has a resistance of 4.0 Ω, a reactance (due…

A series circuit has a resistance of 4.0 Ω, a reactance (due to the capacitance) of 21.0 Ω, and a reactance (due to the inductance) of 17.0 Ω. Find the impedance of the circuit.

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You are designing a generator to have a maximum emf of 8.0 V…

You are designing a generator to have a maximum emf of 8.0 V. If the generator coil has 200 turns and a cross-sectional area of 0.030 m2, what should be the frequency of the generator in a uniform magnetic field of 0.030 T?

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A circular coil of wire of 200 turns and diameter 2.0 cm car…

A circular coil of wire of 200 turns and diameter 2.0 cm carries a current of 4.0 A. It is placed in a magnetic field of with the plane of the coil making an angle of 30° with the magnetic field. What is the magnetic torque on the coil?

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