MCQ
The path of an electron in a uniform magnetic field may be:
- ACircular but not helical
- BHelical but not circular
- CNeither helical nor circular
- ✓Either helical or circular
The path an electron in a uniform magnetic field my be either helical or circular.
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(Take $\mu_{{r}}=1$ )
$(1)$ The measured value of $R$ will be $978 \Omega$
$(2)$ The resistance of the Voltmeter will be $100 k \Omega$.
$(3)$ The resistance of the Ammeter will be $0.02 \Omega$ (round off to $2^{\text {nd }}$ decimal place)
$(4)$ If the ideal cell is replaced by a cell having internal resistance of $5 \Omega$ then the measured value of $R$ will be more than $1000 \Omega$.
