Electromagnetic-theory Questions Set 17:
The Biot-Savart's law is a general modification of which law?
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______________ can be induced in magnetic material by placing it in a magnetic material.
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For which of the following is the curl zero?
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2.64 mW of power is fed to a lossless antenna which has a directive gain of 7 dB. Find the total power radiated by the antenna.
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A wave travelling in a transmission line has a wavelength of 6.9 units and velocity of 15 × 107 units. Calculate its frequency.
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The charge density of a material is 12 units in a volume region of 2.7 units. Find the electric flux density of the material.
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What factor is used to identify the boundary of separation between two magnetic materials?
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In an AC circuit, the potential difference across an inductor and a resistor connected in series are 16 V and 20 V respectively. What is the total potential difference of the source?
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Choose the correct option for the following statement:
If the vector field is curl-free, a scalar potential may be defined which completely describes the vector field.
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Midway between two equal and similar charges, a third equal and similar charge is placed. What will happen to the third charge?
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