# Electrical Engineering Objective Questions { Basic Concept of Electricity }

85.  V B is based on

86.  The Biot-Savart's law is a general modifi-cation of

87.  The direction of mechanical force experienced on a current carrying conductor placed in a magnetic field is determined by

88.  If a current carrying conductor is placed in a magnetic field, the mechanical force experienced on the conductor is determined by

89. The force experienced by a current carrying conductor lying parallel to a magnetic field is

90. An in finitely long conductor carrying a current is embedded in a semi-infinite medium of permeability pp as shown in the given figure. For itti > ja2, the conductor will experience

91. A straight conductor of length / moving with a velocity v in the presence of a magnetic field of flux density B directed at an angle 0 with the direction of v experiences a force. Which of the following statement(s) is/are true for the magnitude of the force? 1. It is independent of 0.2. It is proportional to /2. 3. It is proportional to B. 4. It is independent of v. Select the correct answer from the codes given below :Codes :

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