1
MHT CET 2023 9th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

A charge '$$q$$' moves with velocity '$$v$$' through electric (E) as well as magnetic field (B). Then the force acting on it is

A
$$\mathrm{q}(\overrightarrow{\mathrm{v}} \times \overrightarrow{\mathrm{B}})$$
B
$$\mathrm{q}(\overrightarrow{\mathrm{B}} \times \overrightarrow{\mathrm{v}})$$
C
$$\mathrm{q}(\overrightarrow{\mathrm{E}} \times \overrightarrow{\mathrm{v}})$$
D
$$\overrightarrow{\mathrm{qE}}+\mathrm{q}(\overrightarrow{\mathrm{v}} \times \overrightarrow{\mathrm{B}})$$
2
MHT CET 2020 16th October Morning Shift
MCQ (Single Correct Answer)
+1
-0

In amplitude modulation,

A
amplitude remains constant but frequency . changes according to information signal
B
amplitude of carrier wave changes according to information signal
C
both amplitude and frequency changes according to information signal
D
both amplitude and frequency do not change according to information signal
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