Explanation Given data: d = 1.0 cm , I = 10 mA , and Δ V = 70 kV . Formula used: Write the expression for Newton’s second law. F = m a (1) Here, F is the Electric force on a charge, m is the mass of the electron, which is known as 9.11 × 10 − 31 kg and a is the acceleration. Write the expression for electric force on a charge ( F ) . F = q E Here, q is the charge, which is known as 1.6 × 10 − 19 C and E is the electric field strength. Write the expression to find electric field strength ( E ) . E = Δ V d Here, Δ V is the potential difference, and d is the distance. Rearrange equation (1). a = F m Substitute q E for F , a = q E m Substitute Δ V d for E , a = q ( Δ V d ) m Substitute 70 kV for Δ V , 1.0 cm for d , 1.6 × 10 − 19 C for q and 9.11 × 10 − 31 kg for m , a = ( 1

College Physics: A Strategic Approach (3rd Edition)

3rd Edition

ISBN: 9780321879721

Author: Randall D. Knight (Professor Emeritus), Brian Jones, Stuart Field

Publisher: PEARSON

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